Explanation Given: The following table shows the income, measured in thousands of dollars, from sales of a certain magazine at the start of the given year. Year 2012 2013 2014 2015 2016 Income 8.10 8.59 9.10 9.65 10.23 Table ( 1 ) Approach: 1. When the plot of the data appears to be exponential in shape, using regression to find a model may be appropriate. The real-world context can provide important confirmation that an exponential model is appropriate 2. The exponential function to model the data is given as, N = a × b t …… ( 1 ) Here, N is the population, t is time, a is initial value of regression model, and b is growth factor of regression model. To calculate the exponential regression, following steps are given, 1. First turn on the graphing calculator. 2

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ISBN: 9781337801287

Author: Crauder

Publisher: MCGRAW-HILL HIGHER EDUCATION

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Chapter 4.4, Problem 8E

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To find:

An exponential model for the income.

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Chapter 4.4, Problem 7E

Chapter 4.4, Problem 9E

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An exponential model for the income.

Solution Summary: The author explains how to find an exponential model for the income from sales of a certain magazine.

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To find:

An exponential model for the income.