There is a beach ball with radius 24cm and a ping pong ball with radius 4 cm find how many times greater the volume of the beach ball is that of the ping pong ball

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.