Cancel Let R(x), C(x), and P(x) be, respectively, the revenue, cost, and profit, in dollars, from the production and sale luc of x items. If R(x) = 9x and C(x) = 0.006x2+ 3.3x + 80, find each of the following. a) P(x) b) R(150), C(150), and P(150) c) R'(x), C'(x), and P' (x) d) R'(150), C'(150), and P'(150)