The bar graph shows the differences among age groups on the Implicit Association Test that measures levels

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The bar graph shows the differences among age groups on the Implicit Association Test that measures levels of racial prejudice. Higher scores indicate stronger bias.image


a. The data can be described by the following polynomial model of degree 3:image


In this polynomial model, S represents the score on the Implicit Association Test for age group x. Simplify the model.


b. Use the simplified form of the model from part (a) to find the score on the Implicit Association Test for the group in the 45–54 age range. How well does the model describe the score displayed by the bar graph?


Data from exercise 45-54image


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College Algebra

ISBN: 9780134453262

7th Edition

Authors: Robert F Blitzer

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