A 1040 milliliter intravenous bag is attached to a patient with a tube and is empty after 8 hrs. At what rate does the solution flow through the tube?

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.