# Chapter 7 Exponential and Logarithmic Functions - 7.7 Write and Apply Exponential and Power Functions - 7.7 Exercises - Skill Practice - Page 533: 3

$y = 3/4*4^x$

#### Work Step by Step

The multiplication is 4 between y values when x increases by 1. $y = a*4^x$ a=3/4 because $(1,3)$ is a point. We plug the point in and get... $y = 3/4*4^x$

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