Question

The cost, in thousands of dollars, of producing x thousands of textbooks is C(x) = x2 + 2x. The revenue, also in thousands of dollars, is R(x) = 40x. Find the profit or loss if 30 textbooks are produced.

Answer 1

for 30 manuals produced

R = 40*30 = 1200 thousand dollars

C = 30² + 2*30 = 960 thousand dollars

B= 1200-960=240 thousand dollars

profit if 30 textbooks are produced = 240thousand dollars

Explanation: