# The function that models weekly profit in terms of price per feeder.

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

#### Solutions

Chapter 3.1, Problem 78E

(a)

To determine

## To find: The function that models weekly profit in terms of price per feeder.

Expert Solution

The function that models weekly profit in terms of price per feeder is equal to P(x)=808x .

### Explanation of Solution

Given information:

A community bird-watching society makes and sells simple bird feeders to raise money for its conservation activities. The materials for each feeder cost $6 , and the society sells an average of 20 per week at a price of$10 each. The society has been considering raising the price, so it conducts a survey and finds that for every dollar increase, it loses 2 sales per week.

Calculation:

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