Chapter 12, Problem 9STP

To determine

To Calculate :Which of the given functions represents exponential decay.

Answer to Problem 9STP

  $(\text{B})y={(0.5)}^x$

Explanation of Solution

Given information :

Four functions are given of which we have to identify the function which represents exponential decay.

Calculation:

  $y=a^x$ represents exponential decay if $0<a<1$ ,

Hence $y={(0.5)}^x$ is the correct answer.