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Ivahew [28]
3 years ago
11

A,(a+b)×(a+b)

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

Answer:

a)a^2+2ab+b^2

b)a^2-b^2

c)a^2-b^2

d)a^3+3a^2b+3ab^2+b^3

e)a3-3a^2b+3ab^2-b^3

f)(a^3+b^3)

g)(a^3-b^3)

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The function P(x) = –0.015x^2 + 1.2x – 11.5 gives the profit, in thousands of dollars, when a company sells a new product at x d
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Answer:

The profit decreases by $ 375 for every $ 1 increase in the selling price.

Step-by-step explanation:

From the definition of the secant line we get that the average rate of change of P(x) = -0.015\cdot x^{2}+1.2\cdot x -11.5, where x is the selling price of the product, measured in dollars per unit, is:

r = \frac{P(55)-P(50)}{55-50} (1)

Now we evaluate the function at each bound:

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Then, the average rate of change is:

r = \frac{9.125-11}{55-50}

r = -0.375

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