# Chapter 7 - Exponents and Exponential Functions - 7-7 Exponential Growth and Decay - Lesson Check - Page 463: 6

If b is greater than 1 it is an exponential growth If b is less than 1 it is an exponential decay

#### Work Step by Step

Use the exponential formula:y=a $\times$ $b^{x}$.B is the growth/decay factor. If b $\lt$ 1, then it is an exponential decay and b is the decay factor If b $\gt$ 1, then it is an exponential growth and B is the growth factor.

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