Answer:
P(x) = 3x -150
Step-by-step explanation:
Substitute the given functions in to the profit equation.
P(x) = R(x) - C(x)
P(x) = (5x) - (2x +150)
P(x) = 5x -2x -150 . . . . eliminate parentheses using the distributive property
P(x) = 3x -150 . . . . . . . collect terms
