profit function problem

[DesignatedT]

R(x) = 75x-3x^2 1<x<20
C(x) = 120+14x 1<x<20


What is the profit function?

P(x)= ?


Thanks to anyone who can help.

 

[pka]

R(x) = 75x-3x^2 1<x<20
C(x) = 120+14x 1<x<20
What is the profit function?
P(x)= ?

\(\displaystyle P(x)=R(x)-C(x) \)