Number that is affected by the independent variable.
Example
Consider the exponential function \(f\) defined by the equation \(f(x) = 5^{(x + 7)}\).
The base of this function is 5.
Consider the exponential function \(f\) defined by the equation \(f(x) = 5^{(x + 7)}\).
The base of this function is 5.