what is the answer for this problem?
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)=7x-20
C. p(x)=17x-20
D. p(x)=17x+20