Which statements are true? 35g^5-25g^2=5g^2(7g^3-5), 4g^2-g=g^2(4-g), 24g^4+18g^2=6g^2(4g^2+3g), 9g^3+12=3(3g^3+4)

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.