find each of the following Let R(x). C(x), and P(x) be, respectively, the revenue, cost, and profit, in dollars, from the production and sale of x items. If R(x) = 7x and C(x) = 0.003x-+ 4.8x + 40, a) P(x) b) R(50) C(50), and P(50) c) R'(x). C'(x), and P'(x) d) R'(50). C'(50), and P'(50) a) P(x) = (Use integers or decimals for any numbers in the expression.) b) R(50) = $ ative (Type an integer or a decimal.) C (50) - S (Type an integer or a decimal.) mizal P(50) = $ applictype an integer or a decimal.) c) R'(x) = (Type an integer or a decimal.) rginals e applica(Use integers or decimals for any numbers in the expression.) Use integers or decimals for any numbers in the expression.) d) R (50)-$ per item Mastered (Type an integer or a decimal ) Next (50) - $ \\per item