The function f(x) = 1.1x 3 - 35x 2 + 264x + 557 models the number of

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The function f(x) = 1.1x3 - 35x2 + 264x + 557 models the number of discharges, f(x), under “don’t ask, don’t tell” x years after 1994. Use this model and its graph, shown below, to solve Exercises 29–30.image


a. Find the slope of the secant line, rounded to the nearest whole number, from x1 = 7 to x2 = 12.


b. Does the slope from part (b) underestimate or overestimate the average yearly decrease that you determined in Exercise 28? By how much?

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College Algebra

ISBN: 9780134453262

7th Edition

Authors: Robert F Blitzer

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