The rate of change is a. –18%.
Let r be the rate of change.
0.82=1+r
0.82-1=1-1+r
-0.18=r
=-18%
What is the exponential function?
An exponential characteristic is a mathematical characteristic of the following form: f ( x ) = a x. wherein x is a variable, and a is a constant called the bottom of the characteristic. The maximum usually encountered exponential-function base is the transcendental range e, which is the same as approximately 2.71828.
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