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3 years ago

8

Question 4 (4 points)

1 answer:

koban [17]3 years ago

6 0

Answer:

Section of the function which is constant is C

Step-by-step explanation:

Any line parallel to x-axis has a slope of zero and in this figure we can see that the section C only is parallel to x-axis and since it parallel to the x-axis it has a slope of zero hence the function at C is neither increasing because it doesn't have a positive slope nor is it decreasing because it doesn't have a negative slope so it remains constant.

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Does this graph have a proportional relationship? Explain how you know.

Slav-nsk [51]

Answer:

yes, straight line crosses through the origin. x increases and y increases.

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3 years ago

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zzz [600]

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What is the area of the obtuse triangle below?

Sauron [17]

Answer:

C 126 sq. units

Step-by-step explanation:

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3 years ago

John claims that Point X = – 4, and Point Y = 2. Which of the following statements provide support for John's claim? Select thre

Oduvanchick [21]

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8 0

3 years ago

Suppose a publishing company estimates that its monthly cost is C(x) = 600{x^2} + 300xC(x)=600x 2 +300x and its monthly revenue

Leto [7]

Answer:

the answer is A,

P(x) = -0.4x³+100x²-900x+500

Step-by-step explanation:

monthly cost:

$c(x) = 600x {}^{2} + 300x$

monthly revenue:

$r(x) = - 0.4 {}^{3} + 700x {}^{2} - 600x + 500$

profit function:

$p(x) = r(x) - c(x)$

$p(x) = ( - 0.4x {}^{3} + 700 {x}^{2} - 600x + 500) - (600x {}^{2} + 300x)$

i) remove the first bracket

$p(x) = - 0.4x {}^{3} + 700x {}^{2} - 600x + 500 - (600 {x}^{2} + 300x)$

ii) there is a negative sign, '-' in front of the second bracket. so, change the sign of each term of the expression inside the bracket

$p(x) = - 0.4x {}^{3} + 700 {x}^{2} - 600x + 500 - 600x {}^{2} - 300x$

iii) collect like terms

$p(x) = - 0.4x {}^{3} + 700 {x}^{2} - 600 {x}^{2} - 600x - 300x + 500$

iv) simply the like terms

$p(x) = - 0. 4{x}^{3} + 100 {x}^{2} - 900x + 500$

6 0

3 years ago