The maximum number of zeroes in a generic equation with the form axe? + bx4 + cx3 + dx2 is 5.
What is meant by expression?A mathematical expression is a phrase that includes at least two numbers or variables, at least one arithmetic operation, and the expression itself. Any one of the following mathematical operations can be used.A statement using numbers, variables, and operations is known as an expression. An equation has an equals sign, whereas an expression lacks one. This is the main distinction between the two types of sentences. Terms and operations are used to create mathematical expressions.a) [tex]$ax^{5}[/tex]
b) Factor 2x3 - 9x2 + 7x + 6 is
(x - 3) (x -2) (2x + 1)
c) x = -b / 2a
Replace x by -2, from the vertex:
-2 = -b / 2a
Solve for b:
-b = -4a
Or
b = 4a
By evaluating the equation with the vertex's x-value, we can determine the y-value from the vertex:
y = ax2 + 4ax - 6
Simplify, 6 for y, and -2 for x:
6 = a(-2)2 + 4a(-2) - 6
6 = 4a - 8a - 6
solve for a:
a = -3
Simplifying the above equation,
b = 4a, b = -12
The value for a is -3.
The value for b is -12
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find the trapezoidal riemann sum approximation of the integral from 1 to 5 of the square root of quantity x squared plus 3 close quantity times dx using four equal partitions.
Answer:
14.115
Step-by-step explanation:
Recall Trapezoidal Rule
[tex]\displaystyle \int\limits^b_a {f(x)} \, dx=\frac{1}{2}\biggr(\frac{b-a}{n}\biggr)\biggr[f(x_0)+2\bigr(f(x_1)+f(x_2)+\text{... }+f(x_{n-1})\bigr)+f(x_n)\biggr][/tex]
Make necessary substitutions and evaluate
[tex]\displaystyle \int\limits^5_1 {\sqrt{x^2+3}} \, dx=\frac{1}{2}\biggr(\frac{5-1}{4}\biggr)\biggr[2+2\bigr(\sqrt{7}+\sqrt{12}+\sqrt{19}\bigr)+\sqrt{28}\biggr]\approx14.115[/tex]
Note that the actual value of the integral is [tex]\displaystyle \int\limits^5_1 {\sqrt{x^2+3}} \, dx\approx14.078[/tex], so we can see how accurate the Trapezoidal rule is with just a few equal partions.
A 6-sided die is rolled 2 times. What is the probability of getting 1 both times? (Give your answer as a fraction in simplest form.
The probability of rolling two ones in a row is equal to P = 1/36
How to find the probability?
We want to find the probability of rolling two ones in a row.
Remember that a dice has 6 sides, so the probability of randomly rolling a 1 is just:
p = 1/6
And if we want to do that two times then we need to have that probability twice:
q = 1/6
And the joint probability (probability of rolling two ones) is equal to the product between the individual ones:
P = p*q = (1/6)*(1/6)
P = 1/36
That is the probability.
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What is the result if the product of 5 and 75 is divided by 3?
Answer: 125
Step-by-step explanation: product of 5 and 75 = 5*75 = 375 divided by 3 which is 375/3 = 125.
3
Which is different?
O Add-4.5 and 3.5.
O What is -4.5 increased by 3.5?
What is the distance between-4.5 and 3.5?
O Find the sum of -4.5 and 3.5.
Find "both" answers.
Answer for the "different" question:
Answer for the "same" questions:
Answer for the "different" question: The distance between -4.5 and 3.5 is 8.
Answer for the "same" questions:
O Add -4.5 and 3.5: -4.5 + 3.5 = -1
O What is -4.5 increased by 3.5: -4.5 + 3.5 = -1
Find the sum of -4.5 and 3.5: -4.5 + 3.5 = -1
Answer: What is the distance between -4.5 and 3.5?
Step-by-step explanation:
The distance between -4.5 and 3.5 and will be different than all the others because the distance it's asking for the distance between the absolute values, not adding them together.
Find "both" answers.
➜ Answer for the "different" question:
What is the distance between -4.5 and 3.5? = 4.5 + 3.5 = 8
➜ Answer for the "same" questions:
Add -4.5 and 3.5 = -4.5 + 3.5 = -1
Whats the answer please ?
The graph of the quadratic function, y = -x² + 8·x - 15, created with MS Excel is attached.
The roots are; (3, 0) and (5, 0)
The location of the vertex of a parabola is; (4, 1)
What is a parabola?A parabola is a curve formed uy the path of an object that moves such that the distance of the object from a fixed point is the same as the distance of the point from a fixed line.
The specified function is f(x) = -x² + 8·x - 15
The equation is a quadratic equation, and the shape of the graph of the function is a parabola.
The points that can be used to graph tjhe function, obtained using MS Excel are;
x [tex]{}[/tex] f(x)
2 [tex]{}[/tex] -3
3 [tex]{}[/tex] 0
4 [tex]{}[/tex] 1
5 [tex]{}[/tex] 0
6 [tex]{}[/tex] -3
The roots are the x-intercept of the graph, which are the points the graph intersects the x-axis, which are the points where, y = 0.
The roots obtained from the values in the above table are; (3, 0), and (5, 0)
The vertex point is the highest point on the graph. The heighest point or vertex is the point where the y-value is maximum
From the table and the attached graph, the vertex is the point (4, 1)
The vertex of the parabola, obtained using the graph is (4, 1)
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Simplest form 6m-2(-3m+8)
[tex]6m - 2( - 3m + 8)\\ Multiplying :\ each \\ term \\ - 18m + 48m + 6m - 16 \\ - 18m + 54m - 16 \\ 36m - 16 \\ 2(18m - 8)[/tex]
Write the quadratic equation whose roots are
-1
and
6
, and whose leading coefficient is
4
.
(Use the letter
x
to represent the variable.)
The quadratic equation whose roots are -1 and 6 and the leading coefficient is 4 is written in the form
4x² - 20x - 25How to write the quadratic equationThe roots of a quadratic equation is the value of x when y is zero hence we have the equation
x = -1 and x = 6
(x + 1)(x - 6)
with the leading coefficient of 4
4(x + 1)(x - 6)
expanding will result to
= 4(x² - 6x + x - 6)
= 4(x² - 5x - 6)
= 4x² - 20x - 25
The quadratic equation is 4x² - 20x - 25
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What common fraction is halfway between 1/8 and 1/10 on a number line?
Answer: 9/80
Step-by-step explanation:
1/8 = 10/80
1/10 = 8/80
9/80 is fraction between 1/8 and 1/10
Have A Good Day :)
Simplify and evaluate 25 POINTS TO WHO EVER SOLVES IT
Answer: -2 i think
Step-by-step explanation:
(5-4)-3*(5-4)
1-3*1
1-3=-2
Answer:
The value is 0
The simplified expression is
3• (5 - 4) -3 (5 - 4)
Step-by-step explanation:
hope it helps<3tracy noticed that the serving size for a boxed meal is 1.5 cups and each contains 148 milligrams stacy used the entire box to make 6 cups of food. How many milligrams are in the meal tracy prepared
Answer:
5.92
Step-by-step explanation:
Set up a proportion
cups/mg = cups/mg
[tex]\frac{1.5}{148}[/tex] = [tex]\frac{6}{x}[/tex]
1.5 x 4 = 6,
so 1.48 x 4 = 5.92
prove that the continuous function of order 3 is continuous of order 1 after being differentiated twice.
We use the concepts of continuity and differentiability to prove that a continuous function of order 3 is continuous of order 1 after being differentiated twice.
Let us assume the function x³ as the function of order 3. We know that its 1st derivative will be 3x² and its 2nd derivative will be, 6x. Now, let's check both of their continuities at any point "a" on the function. By putting a limit x tending to a to the function
= lim (x³) = a³
x→a
and putting a directly to the equation i.e, f(a) = a³ therefore, x³ is a continuous function at a. Similarly, by putting a limit x tending to a to the function
= lim (6x) = 6a
x→a
and putting a directly to the equation i.e, f(a) = 6(a) therefore, 6x is also a continuous function at a. Hence we can say that the continuous function of order 3 is continuous of order 1 after being differentiated twice.
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PLS HELP Select the correct answer.
You work delivering food for a local farmer. You sell onions from the farm at these prices: 2 for $1.04, 4 for $2.52, 8 for $4.32, and 16 for $9.12. What is the unit cost per onion for the worst deal?
A.
$0.52
B.
$0.57
C.
$0.63
D.
$0.67
Answer:
C
Step-by-step explanation:
2.52/4 =0.63/1
Kayla was asked to rewrite the polynomial expression x2 + 6x + 9 how could she rewrite the polynomial
When Kayla was instructed to rewrite the polynomial expression x2 + 6x + 9, she wrote [tex]x^2+2 x-3+3^2=(x+3)^2[/tex].
What is a polynomial ?Factor [tex]$ x^2+6 x+9: \quad(x+3)^2$[/tex]
[tex]$$x^2+6 x+9$$[/tex]
Rephrase in the manner of [tex]$a^2+2 a b+b^2$[/tex] :
[tex]$9=3^2$[/tex]
[tex]$6 x=2 x \cdot 3$\\$=x^2+2 x \cdot 3+3^2$[/tex]
Using the Perfect Square Formula : [tex]$\quad a^2+2 a b+b^2=(a+b)^2$[/tex]
[tex]$$\begin{aligned}& x^2+2 x-3+3^2=(x+3)^2 \\& =(x+3)^2\end{aligned}$$[/tex]
An expression that solely uses the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables is said to be a polynomial. Variables, which are sometimes known as indeterminates, and coefficients make up a polynomial. x2 4x + 7 is an illustration of a polynomial of one uncertain x.
An expression with a single or a number of terms is referred to as a polynomial. The words "polynomial" and "nomial," which are two distinct phrases, are the origins of the term. Nominal is another word for many, while poly is another word for many. An algebraic expression with two or more algebraic terms is referred to as a polynomial.
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Tom wishes to purchase a property that has been valued at $300,000. He has $30,000 available as a deposit, and will require a mortgage for the remaining amount. The bank offers him a 25-year mortgage at 2% interest. Calculate his monthly repayments.
Tom's monthly mortgage repayment will be an amount of $1,144.41.
To calculate Tom's monthly mortgage repayment, we can use the formula:
[tex]M = P [ i(1 + i)^n ] / [ (1 + i)^n -1 ][/tex]
Where:
M = monthly repayment
P = the principal amount (loan amount) = $300,000 - $30,000 = $270,000
i = monthly interest rate = 2%/12 = 0.02/12 = 0.0017
n = number of months = 25 years x 12 months/year = 300 months
Plugging in the values:
M = $270,000 [ 0.0017(1 + 0.0017)³⁰⁰ ] / [ (1 + 0.0017)³⁰⁰ – 1 ]
M = $1,144.41
Thus, his monthly mortgage repayment will be $1,144.41.
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a company prudces 3 types of cables a b c in-house production costs per foot of cables abc are 6 8 10
The in-house production amount costs per foot of cables A, B, and C are $6, $8, and $10, respectively.
1. The question states that a company produces three types of cables, A, B, and C.
2. The in-house production amount costs for each type of cable is given in the question. The cost per foot of cable A is $6, the cost per foot of cable B is $8, and the cost per foot of cable C is $10.
The company produces three types of cables, A, B, and C, and each type of cable has a different in-house production cost. Cable A has a cost per foot of $6, cable B has a cost per foot of $8, and cable C has a cost per foot of $10. This means that if the company produces 100 feet of cable A, the in-house production cost would be $600, whereas if they produce 100 feet of cable B, the in-house production cost would be $800, and if they produce 100 feet of cable C, the in-house production cost would be $1000.
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can someone please help me with this question???????? please the deadline is tomorrow
Answer:
D or 12.8
Step-by-step explanation:
Distance (d) = √(-2 - 8)2 + (9 - 1)2
= √(-10)2 + (8)2
= √164
= 2√41
= 12.806248474866
HOPE THIS HELPS AND PLEASE GIVE BRAINLIESTAnswer:
Hello
Hi 2√41 approximately equals to 12.8, good luck and please see the file below for the answer.
It is D.
If the circulation for newspaper 1 is 386 thousand more than the circulation for newspaper 2, and their combined circulation is 2514 thousand, find the circulation for each newspaper.
Suppose that the matrix A has the following eigenvalues and eigenvectors: λ1 = 3 + I with v1 = [ -1 1 -4]Andλ2 = 3 + i with v2 = [ -1 1 + 4i] Write the solution to the linear system r = Ar in the following forms. A. In eigenvalue/eigenvector form: B. In fundamental matrix form: C. As two equations: (write c1 and c2 for c1 and c2)
A) r(t) =[tex]c_{1}[/tex]×e^(∧×t)[tex]v_{1}[/tex]+ [tex]c_{2}[/tex] × e^(∧²×t)[tex]v_2[/tex] ; B) r(t) = X×e^(∧×t)c ; C) [tex]r_1[/tex](t) = [tex]c_{1}[/tex](-1×[tex]e^{3t}[/tex])×cos(t) -1×[tex]e^{3t}[/tex]×sin(t) -4×[tex]e^{3t}[/tex], [tex]r_2[/tex](t) = [tex]c_2[/tex](-1×[tex]e^{3t}[/tex]×cos(t) -1×[tex]e^{3t}[/tex]×sin(t) + 4i×[tex]e^{3t}[/tex].
A) The solution to the linear equation in eigenvalue/eigenvector form:
r(t) = [tex]c_{1}[/tex]×e^(∧×t)[tex]v_{1}[/tex]+ [tex]c_{2}[/tex] × e^(∧²×t)[tex]v_2[/tex]
B) The solution to the linear equation in fundamental matrix form:
r(t) = X×e^(∧×t)c
C) As two equations: The solution to the linear system can also be written as two equations as follows:
[tex]r_1[/tex](t) = [tex]c_1[/tex] ×e^(∧²×t)[tex]v_1[/tex] = [tex]c_{1}[/tex](-1×[tex]e^{3t}[/tex])×cos(t) -1×[tex]e^{3t}[/tex]×sin(t) -4×[tex]e^{3t}[/tex]
[tex]r_2[/tex](t) = [tex]c_2[/tex]×e^(∧² ×t)[tex]v_2[/tex] = [tex]c_2[/tex](-1×[tex]e^{3t}[/tex]×cos(t) -1×[tex]e^{3t}[/tex]×sin(t) + 4i×[tex]e^{3t}[/tex]
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Let A1,A2,⋯ be Lebesgue-measurable subsets of [0,1] of measure 1/2, and let A denote the set of points x such that x belongs to infinitely many of the sets An. How we can show that the Lebesgue measure of A is at least 1/2.
Lebesgue outer measure in this instance is a complete extension of Lebesgue measure that meets all other criteria.
What exactly is a Lebesgue measure?The translation invariant is the Lebesgue measure, and the length of the interval I is the same for that measure when it is on the interval I. The Lebesgue measure of E, for instance, is given by λ(E) = l if E is any collection of real numbers (E).
As with a single point or a countable number of points, every set that is a finite collection of points has a Lebesgue measure of zero. The measure of finite and countable unions of disjoint sets has the property of being equal to the total of the measures.
An interval's length is its Lebesgue value. The formal foundation for probability theory is measure theory.
(1) When working with function spaces, the Lebesgue integral is important since it is resistant to a variety of limiting procedures. (2) It easily expands to quite an abstract context and creates a fundamental language of probability theory, as numerous users have noted.To learn more about Lebesgue measure, refer to:
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How do you solve a triangle ABC where b=125 c=162 B=40 degrees?
Answer:
Angle A = 83.59° (2 d.p.)
Angle C = 56.41° (2 d.p.)
Side a = 193.25 (2 d.p.)
Step-by-step explanation:
[tex]\boxed{\begin{minipage}{7.6 cm}\underline{Sine Rule} \\\\$\dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c} $\\\\\\where:\\ \phantom{ww}$\bullet$ $A, B$ and $C$ are the angles. \\ \phantom{ww}$\bullet$ $a, b$ and $c$ are the sides opposite the angles.\\\end{minipage}}[/tex]
Given:
b = 125c = 162B = 40°Substitute the given values into the Sine Rule formula:
[tex]\implies \dfrac{\sin A}{a}=\dfrac{\sin 40^{\circ}}{125}=\dfrac{\sin C}{162}[/tex]
Solve for angle C:
[tex]\implies \dfrac{\sin 40^{\circ}}{125}=\dfrac{\sin C}{162}[/tex]
[tex]\implies \sin C=\dfrac{162\sin 40^{\circ}}{125}[/tex]
[tex]\implies C=\sin^{-1}\left(\dfrac{162\sin 40^{\circ}}{125}\right)[/tex]
[tex]\implies C=56.4136175...^{\circ}[/tex]
Interior angles of a triangle sum to 180°. Therefore:
[tex]\implies A+B+C = 180^{\circ}[/tex]
[tex]\implies A = 180^{\circ}-B-C[/tex]
[tex]\implies A = 180^{\circ}-40^{\circ}-56.4136175...^{\circ}[/tex]
[tex]\implies A = 83.5863824...^{\circ}[/tex]
Finally, to find a, substitute the found angles and sides into the Sine Rule and solve for a:
[tex]\implies \dfrac{\sin A}{a}=\dfrac{\sin B}{b}[/tex]
[tex]\implies \dfrac{\sin 83.5863824...^{\circ}}{a}=\dfrac{\sin 40^{\circ}}{125}[/tex]
[tex]\implies a=\dfrac{125\sin 83.5863824...^{\circ}}{\sin 40^{\circ}}[/tex]
[tex]\implies a=193.248396...[/tex]
The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.7 per week. Find the probability of the following events.
A. No accidents occur in one week.
Probability =
B. 10 or more accidents occur in a week.
Probability =
C. One accident occurs today.
Probability =
A. No accidents occur in one week. Probability = 0.0113
B. 10 or more accidents occur in a week. Probability = 0.0018
C. One accident occurs today. Probability =0.2122
A. No accidents occur in one week.
Probability = e^(-4.7)
= e^(-4.7)
= 0.0113
B. 10 or more accidents occur in a week.
Probability = 1 - e^(-4.7)(1 + 4.7 + (4.7^2)/2 + (4.7^3)/6 + (4.7^4)/24 + (4.7^5)/120)
= 1 - e^(-4.7)(1 + 4.7 + 22.09 + 100.521 + 470.4724 + 2,054.085)
= 1 - e^(-4.7)(3,648.78)
= 1 - 0.0050
= 0.0018
C. One accident occurs today.
Probability = 4.7e^(-4.7)
= 4.7e^(-4.7)
= 0.2122
The probability of no accidents occurring in one week is 0.0113, the probability of 10 or more accidents occurring in one week is 0.0018, and the probability of one accident occurring today is 0.2122. These probabilities are calculated using the Poisson distribution with a mean of 4.7 accidents per week.
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How to answer this one?
Answer:
this is a little typical
Chang has two coupons for. A printer coupon a has 14$ rebate on a 75$ printer
Coupon b has 15%off of a 75 $ printer choose the coupon that gives the lower prize
Answer:
The coupon that gives $14 rebate off $75 gives a lower price
Step-by-step explanation:
Let's figure out what percentage of $75 the $14 rebate coupon is
If this percentage is greater than 15% then the $14 rebate coupon gives a better discount; if not the 15% discount offers a better buy
To find what % $14 is of the $75 cost of printer, divide 14 by 75 and multiply by 100 to convert to %:
[tex]\dfrac{14}{75} \times 100 = 18.67\%\\\\[/tex]
Since 18.67% is greater than 15%, getting $14 off $75 will give a lower price
What is the answer for this equation -9b+2n-4+2b
Answer: Add −9b and 2b. −7b + 2n −4
a line y=mx+5 passes through the point 1,6 and is parallel to y=4x+6 what is the value of b
A y= -1/4x+2
B y=1/4x+5
C y=4x+2
D y=4x+5
The equation of the straight line would be -
y = 4x + 5.
What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is that a line y = mx + 5 that passes through the point (1, 6) and is parallel to y = 4x + 6.
The general equation of a straight line is given by -y = mx + c
Here - {m} is slope and {c} is y - intercept.Equation of the line is -
y = mx + 5
It is parallel to -
y = 4x + 6
Then -
m = 4 {slopes of || lines are equal)
So, we get the equation as -
y = 4x + 5
Therefore, the equation of the straight line would be -
y = 4x + 5.
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Each marble bag sold by Dante's Marble Company contains red marbles for every orange marbles. If a bag has orange marbles, how many red marbles does it contain?
If a bag has orange marbles, the number of red marbles it will contain would be also the same as the number of orange marbles.
How to derive the number of marbles?The Dante's Marble Company sells bags of marbles that contains different types of marbles such as both the red and the orange marbles I'm a particular order.
In a bag of marbles, every red marbles = every orange marbles.
Therefore the number of red marbles found in a bag will be the same amount of orange marbles found in the same bag.
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at a party with 10 people each person shakes the hand of every other person once how many handshakes occur
The number of handshakes altogether exists 45.
What is meant by combinations?In mathematics, there are two alternative methods for dividing up a collection of components into subsets: combination and permutation. The subset's components can be arranged in any sequence when used together. The components of the subset are arranged in a particular order in a permutation.
A combination in mathematics is a choice of elements from a set with distinct members, where the order of the choices is irrelevant.
Combinations are a mathematical method for calculating the number of alternative arrangements in a collection of objects where the order of the selection is irrelevant. You are free to choose any combination of the things.
Given:
Number of people in the conference = 10
Each person shakes hands with others.
The total number of handshakes [tex]$={ }^n \mathrm{C}_2$[/tex]
Total number of handshakes [tex]$={ }^{10} C_2=(10 \times 9) / 2=45$[/tex] handshakes.
The complete question is:
At the end of a meeting all the ten people present shake hands with each other once. The number of handshakes altogether is
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3) Lina has 20 boxes of markers. Next year, she plans to buy 20% more boxes. How many
boxes will she have in all? I need step by step explanation, thanks.
Answer:
44 boxes
Step-by-step explanation:
You have to find 20% of 20.
20% = 1/5
1/5 of 20 is 4
So next year she will buy 24 boxes
If you add them together, she will have 44 boxes in all
A moving object travels 350 feet in 5 seconds assuming that the object travels at a constant speed , When dropped from a height of 350 feet , It takes exactly 5 seconds for the stone to hit the ground
The speed when the object and dropped from a height of 350 feet and takes exactly 5 seconds is 70 feet per seconds.
How to calculate the speed?Speed is the rate at which an object's location changes in a particular direction. The distance traveled on relation changes to a particular direction. The distance in relation to the time it took to travel the distance is the speed. It's a scalar quantity
In this situation, when dropped from a height of 350 feet, it takes exactly 5 seconds for the stone to hit the ground.
The speed will be:
= Distance / Time
= 350 / 5
= 70 feet per seconds
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Complete question
A moving object travels 350 feet in 5 seconds assuming that the object travels at a constant speed , When dropped from a height of 350 feet , It takes exactly 5 seconds for the stone to hit the ground. Calculate the speed.
The graph shows a hypothetical relationship between tons of fertilizer used and crop yields. Which statement is NOT correct?img
A) The slope of the curve between one and two tons of fertilizer is approximately 2.
B) The relationship between fertilizer usage and yield is nonlinear.
C) Because the relationship is nonlinear, it is difficult to create an economic model describing the relationship between the two variables.
D) Using more than three tons of fertilizer has minimal effect on yield.
The correct answer is C), because it is possible to create an economic model describing the relationship between fertilizer usage and yield.
The economic model would take into account the nonlinear relationship, which is shown in the graph. Specifically, the slope of the curve between one and two tons of fertilizer is approximately 2 (change in yield divided by change in fertilizer usage). This means that for every ton of fertilizer used, the yield increases by two (change in yield / change in fertilizer usage = 2). Although using more than three tons of fertilizer has minimal effect on yield, the economic model would still take this into account and provide a more accurate representation of the relationship between the two variables.
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