I'm confused with this question =/.

Solve this problem! extra ! 3025/5.5 = a/90.75

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.

What is the sum of the first 8 terms of the geometric series