One model for the number of students enrolled in U.S. public high schools as a function of time since 1986 is the formula below. N = 0.05t2 − 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 1987. N( )

One model for the number of students enrolled in U.S. public high schools as a function of time since 1986 is the formula below. N = 0.05t2 − 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 1987. N( )

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter9: Quadratic Functions And Equations

Section9.6: Solving Quadratic Equations By Using The Quadratic Formula

Problem 28PPS

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Question

One model for the number of students enrolled in U.S. public high schools as a function of time since 1986 is the formula below.

N = 0.05t² − 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 1987.
N( )

Calculate that value. (Round your answer to one decimal place.)
million students

Expert Solution