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Katyanochek1 [597]
3 years ago
14

Suppose customers in a hardware store are willing to buy N(p) boxes of nails at p dollars per box, as given by the following fun

ction.
N(P) = 80 - 4p^2 ; 1 <= p <= 4.

Find the average rate of change in the number of boxes of nails that customers are willing to buy (demand) for a change in price from $2 to $3.

The average rate of change of demand for a change in price from $2 to $3 is ___ boxes per dollar.
(Type an integer or a decimal.)

I know the answer (-20) but I am not sure how to get it. Can you help?
Mathematics
1 answer:
gavmur [86]3 years ago
4 0

Answer: -20

Step-by-step explanation:

the answer is negative twenty

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1. C       2.D       3.D        4.A

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The second one is D because the slope is -3, meaning it's -3x, and the y-intercept is positive, meaning you add 5.

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5 0
2 years ago
Read 2 more answers
Factor the quadratic by checking factor pairs.<br> -15x2 – 21x + 18<br> -15x2 – 218 + 19 = -3
d1i1m1o1n [39]

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-3(x + 2)(5x - 3)

Step-by-step explanation:

-15x² – 21x + 18

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-3[5x(x + 2) - 3(x + 2)]

-3(x + 2)(5x - 3)

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