Which of the following statements is the best description of exponential decay?

Question

A.
Exponential behavior occurs when a function increases at a rate of increasing value.
B.
Exponential behavior occurs when a function increases at a rate of decreasing value.
C.
Exponential behavior occurs when a function increases or decreases at a rate proportional to its current value.
D.
Exponential behavior occurs when a function increases or decreases at a rate proportional to its initial value.

Is D correct?

Answer 1

C is correct