In an exponential function, the coefficient 

 is the initial value of the function and determines if it’s positive or negative. This video explains why.

What Is the Role of the Coefficient a in an Exponential Function?

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

Mathagon

Definition

Role of the Coefficient

Find the Coefficient

Role of the Base

Find the Base

Exponential Functions

In an exponential function, the coefficient a is the initial value of the function and determines if it’s positive or negative. This video explains why. 