4. The cost of producing x units of a product is modeled by C = 100 + 25x – 120lnx, x 2 1 - a. Find the average cost function C b. Find the minimum average cost. Hint: Once you find the minimum number of units, x, plug back into the average cost function.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Rational Functions And Conics
Section4.2: Graphs Of Rational Functions
Problem 88E
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4. The cost of producing x units of a product is modeled by
100 + 25x – 120lnx,
C
x > 1
%3D
a. Find the average cost function C = -
b. Find the minimum average cost. Hint: Once you find the minimum number of
units, x, plug back into the average cost function.
Transcribed Image Text:4. The cost of producing x units of a product is modeled by 100 + 25x – 120lnx, C x > 1 %3D a. Find the average cost function C = - b. Find the minimum average cost. Hint: Once you find the minimum number of units, x, plug back into the average cost function.
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