The profit in manufacturing refrigerators per day

MATHEMATICS · Multi-part · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

The profit in manufacturing xx refrigerators per day, is given by P=−3x2+240x−800P = -3x^2 + 240x - 800 euros. (1) How many refrigerators should be made each day to maximise the total profit? (2) What is the maximum profit?

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