Kelly has boiled 35 strikes in her last 150 frames of bowling if she bowls 500 frames this season about how many stripes can she be expected to make

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.