The revenue from selling x shirts is r(x) = 12x.
the cost of buying x shirts is c(x) = 5x + 20.
the profit from selling x shirts is p(x) = r(x) – c(x).
what is p(x)?
a. p(x) = 7x – 20
b. p(x) = 17x + 20
c. p(x) = 17x – 20
d. p(x) = 7x + 20