Question

What is an exponential function?
Select an answer

A.
A quadratic function of the form f(x) = ax^2 + bx + c.


B.
A linear equation of the form y = mx + b.


C.
A polynomial function of degree three.


D.
An equation of the form f(x) = ab^x.

Answer 1

D. An exponential function has the variable in the exponent, e.g. f(x) = a b^x.