The figure to the right shows the total sales, in thousands of dollars, from the distribution of x thousand catalogs. Find and interpret the average rate of changes of sales with respect to the number of catalogs distributed for the given changes in x. (a) 10 to 20 (b) 20 to 30 (c) 30 to 40 (d) What is happening to the average rate of change of sales as the number of catalogs distributed increases? (a) The average rate of change over 10 to 20 is (Type an integer or a simplified fraction.) Sales (in thousands) 70- 60- 50- 40- 30- 889 20- 10+ of 0 32 45 AT 61 10 20 30 40 50 60 Number (in thousands) 2

The figure to the right shows the total sales, in thousands of dollars, from the distribution of x thousand catalogs. Find and interpret the average rate of changes of sales with respect to the number of catalogs distributed for the given changes in x. (a) 10 to 20 (b) 20 to 30 (c) 30 to 40 (d) What is happening to the average rate of change of sales as the number of catalogs distributed increases? (a) The average rate of change over 10 to 20 is (Type an integer or a simplified fraction.) Sales (in thousands) 70- 60- 50- 40- 30- 889 20- 10+ of 0 32 45 AT 61 10 20 30 40 50 60 Number (in thousands) 2

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter2: Functions

Section2.4: Average Rate Of Change Of A Function

Problem 33E: DVD Player sales The table shows the number of DVD play-ers sold in a small electronics store in the...

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