Question

The revenue from selling 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)?

Answer 1

r(x)= 11x

c(x) = 6x + 20

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

= 11x -( 6x + 20)

= 11x - 6x - 20

= 5x - 20