Big Ideas Math Algebra 1, 2015
BI
Big Ideas Math Algebra 1, 2015 View details
4. Exponential Growth and Decay
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Exercise 38 Page 320

Pay attention to the rate at which the x-variable increases and the behavior of the y-variable.

Exponential decay, see solution.

Practice makes perfect
Let's take a look at how the x-variable increases as well as analyze the behavior of the y-variable.

As x increases by 2, y is multiplied by 0.16667, which is less than 1. This tells us that the table represents an exponential decay function.