Isaac is planting flowers for mother. he needs 2/3 of a cup of soil to go in each of the 8 pots that he has. how many cups of soil does he need?

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.