Problem

TVs keep getting fancier and bigger, but prices do not. The bar graph shows the average pr...

TVs keep getting fancier and bigger, but prices do not. The bar graph shows the average price of a TV in the United States from 2007 through 2012.

Here are two mathematical models for the data shown by the graph. In each formula, P represents the average price of a TV x years after 2007.

a. Which model better describes the data for 2007?
b. Does the polynomial model of degree 2 underestimate or overestimate the average TV price for 2012? By how much?

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Solutions For Problems in Chapter P.MCCP

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