Stephen makes 15% commission on all artwork that he sells. If he sold $15,000 worth of artwork, how much commission is he going to earn? *

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.