Math Problem Statement
A small family firm manufacturing hand-made ceramic vases knows that it has the cost function C(x) and the demand function D(x) given by C(x) = 2000 + 20x and D(x) = 200 − x where x is the number of vases manufactured and sold. Notes : Revenue, R(x) = xD(x) and Profit, P(x) = R(x) −C(x). Find (a) the revenue function and the level of production at which revenue is maximized, (b) the level of production at which profit is maximized and the value of the maximum profit, (c) the selling price in order to obtain maximum profit, (d) the maximum profit if each ceramic vase is subject to a sales tax of RM20.
Solution
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Math Problem Analysis
Mathematical Concepts
Revenue Maximization
Profit Maximization
Calculus
Optimization
Formulas
Revenue: R(x) = x(200 - x) = 200x - x^2
Profit: P(x) = R(x) - C(x)
Cost: C(x) = 2000 + 20x
New Revenue after Tax: R(x) = x(180 - x)
Theorems
Derivative Test for Maximization
Second Derivative Test
Suitable Grade Level
Grades 10-12
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