The function f(x) = -2.32x2 + 76.58x - 559.87 models the percentage of U.S. students, f(x), who are x years old who say their school is not drug free, where 12 ≤ x ≤ 17. At what age do 70% of U.S. students say that their school is not drug free?Round to the nearest tenth of a year.

The function f(x) = -2.32x2 + 76.58x - 559.87 models the percentage of U.S. students, f(x), who are x years old who say their school is not drug free, where 12 ≤ x ≤ 17. At what age do 70% of U.S. students say that their school is not drug free?Round to the nearest tenth of a year.

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Description: The function f(x) = -2.32x2 + 76.58x - 559.87 models the percentage of U.S. students, f(x), who are x years old who say their school is not drug free, where 12 ≤ x ≤ 17. At what age do 70% of U.S. students say that their school is not drug free?Round

Algebra for College Students

10th Edition

ISBN:9781285195780

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter8: Functions

Section8.CR: Review Problem Set

Problem 50CR

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