Math Problem Statement
Suppose a competitive firm has as its total cost function:
TC=25+3q2TC=25+3q2
Suppose the firm's output can be sold (in integer units) at $54 per unit.
Use calculus and formulas to find a solution (don't just build a table in a spreadsheet as in the previous lesson).
Hint 1: The first derivative of the total profit function, which is cumulative, is the marginal profit function, which is incremental. The lecture and formula summary explain how to compute the derivative.
Set the marginal profit equal to zero to define an equation for the optimal quantity q.
Hint 2: When computing the total profit for a candidate quantity, use the total profit function you define (rather than summing the marginal profits using the marginal profit function).
How many integer units should the firm produce to maximize profit?
Please specify your answer as an integer. In the case of equal profit from rounding up and down for a non-integer initial solution quantity, proceed with the higher quantity.
Answer (2 points)
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What is the total profit at the optimal integer output level?
Please specify your answer as an integer.
Solution
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Math Problem Analysis
Mathematical Concepts
Profit Maximization
Differentiation
Quadratic Functions
Formulas
Total Cost (TC) = 25 + 3q^2
Total Revenue (TR) = 54q
Profit (π) = TR - TC
First Derivative of Profit (Marginal Profit) = dπ/dq = 54 - 6q
Theorems
Maximization by finding derivative and setting it to zero
Suitable Grade Level
Grades 11-12
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