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One model for the number of students enrolled in U.S. public high schools as a function of time since 1986 the formula below. N = 0.05t ^ 2 - 0.42t + 12.33 Here N is the enrollment in millions of students, t is the time in years since 1986, and the model is relevant from 1986 to 1996. (a) Use functional notation to express the number of students enrolled in U.S. public high schools in the year 1990.

One model for the number of students enrolled in U.S. public high schools as a function of time since 1986 the formula below. N = 0.05t ^ 2 - 0.42t + 12.33 Here N is the enrollment in millions of students, t is the time in years since 1986, and the model is relevant from 1986 to 1996. (a) Use functional notation to express the number of students enrolled in U.S. public high schools in the year 1990.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter1: Functions
Section1.4: Functions Given By Words
Problem 7E: a. Use a formula to express the altitude of a helicopter as a function of time. Be sure to explain...
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One model for the number of students enrolled in U.S. public high schools as a function of time since 1986 the formula below. N = 0.05t ^ 2 - 0.42t + 12.33 Here N is the enrollment in millions of students, t is the time in years since 1986, and the model is relevant from 1986 to 1996. (a) Use functional notation to express the number of students enrolled in U.S. public high schools in the year 1990. 

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