College Algebra
College Algebra
7th Edition
ISBN: 9781305115545
Author: James Stewart, Lothar Redlin, Saleem Watson
Publisher: Cengage Learning
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Concept explainers

Exponential Growth Model
The relation that represents an exponential function is:
Question

The graph attached shows a company's profit f(x), in dollars, depending on the price of erasers x, in dollars, sold by the company:

Part A: What do the x-intercepts and maximum value of the graph represent? What are the intervals where the function is increasing and decreasing, and what do they represent about the sale and profit? 

Part B: What is an approximate average rate of change of the graph from x = 1 to x = 4, and what does this rate represent? 

Part C: Describe the constraints of the domain.

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