What is the end behavior of the exponential function f(x)= 3/2 * (4/5)^x?

a. As x→-∞, f(x) →∞. As x →∞, f(x) →0..
b. As x→-∞, f(x) →-∞. As x →∞, f(x) →0.
c. As x→-∞, f(x) →0. As x →∞, f(x) →∞.
d. As x→-∞, f(x) →0. As x →∞, f(x) →-∞.

c. As x→-∞, f(x) →0. As x →∞, f(x) →∞.