# Chapter 9 - Quadratic Functions and Equations - 9-7 Linear, Quadratic, and Exponential Models - Practice and Problem-Solving Exercises - Page 579: 24

Exponential $y=120*.84^x$

#### Work Step by Step

$101/120 = .84166$ $86/101 = .851485$ $72/86 = .837209$ $60/72 = .8333$ decay factor is .84, initial factor is 120 $y=120*.84^x$

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