Question
If the demand function is P = 100 - 2Q, what is the
Marginal Revenue (MR) at Q = 10?Solution
Total Revenue (TR) = P * Q = (100 - 2Q) * Q = 100Q - 2Q² . MR = dTR/dQ = 100 - 4Q. At Q = 10, MR = 100 - 4(10) = 60.
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