Find two positive numbers whose sum is 84 and whose product is as big as possible.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.1: Quadratic Functions
Problem 6SC: A company that makes and sells baseball caps has found that the total monthly cost C in dollars of...
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Find two positive numbers whose sum is 84 and whose product is as big as possible.

1. Let one of two numbers be x. Then the other number must be
2. The product of two numbers is
which we will call f(x). This is the function we want to maximize.
3. Given the nature of the problem, we should only consider the values of x between
and
Transcribed Image Text:1. Let one of two numbers be x. Then the other number must be 2. The product of two numbers is which we will call f(x). This is the function we want to maximize. 3. Given the nature of the problem, we should only consider the values of x between and
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