Question

The revenue from selling x shirts is r(x) = 11x.

The cost of buying x shirts is c(x) = 6x + 20.

The profit from selling x shirts is p(x) = r(x) – c(x).

What is p(x)?


MULTIPLE CHOICE:


A. p(x) = 17x + 20
B. p(x) = 17x – 20
C. p(x) = 5x + 20
D. p(x) = 5x – 20

Answer 1

The answer is: [D]: "p(x) = 5x – 20" .
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Step-by-step explanation:
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"What is p(x) ? "
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"p(x) = r(x) – c(x)"
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r(x) = 11x ;

c(x) = 6x + 20 ;

p(x) = 11x – (6x + 20)

= 11x – 1(6x + 20)

= 11x – (1*6x) + (-1* 20)

= 11x – 6x + (-20)

= 11x – 6x – 20

= 5x – 20 ;

p(x) = 5x – 20 ; which is: "Answer choice: [D]" .
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