An exponential function is a function that can be written in the form 

. Check out this video to learn more about exponential functions.

An exponential function is a function that can be written in the form f(x) = a × b ^ x. Check out this video to learn more about exponential functions. 

A growth factor helps you calculate a final amount after a percentage has been added or subtracted. It is given by the formula:

 is the decimal representation of the percentage that is being added or subtracted.

A decay factor helps you calculate a final amount after a percentage has been subtracted. It is given by the formula:

 is the decimal representation of the percentage that is being subtracted.

The number in front of a variable or product of variables, showing how many you have of that variable or product of variables

A symbol, often a letter from the alphabet, which represents an unknown value.

Exponential Functions

What Is an Exponential Function?