You pay for a $500 purchase using a credit card. The credit card company charges a 24% interest rate, compounded monthly ,on the unpaid balance. How much will you owe after 3 months? Assume you don't make any payments during this time.

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.