College Algebra in Context with Applications for the Managerial, Life, and Social Sciences 3rd Edition by Ronald J Harshbarger, Lisa Yocco

Question

Edition 3ISBN: 032157060X

Edition 3ISBN: 032157060X

Exercise 55

Step-by-step solution

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Step 2 of 3

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Answer 1

Consider that the percent p of high school seniors who used cigarettes can be modeled by

Here x is the number of years after 1990.

(a)

Since x is the number of years after 1990, then corresponds to the year 2008.

To estimate the percent in the year 2008, substitute 18 for x in the model.

Thus, the percent in the year 2008 is.