The function f(x)=5^(x−1) is shown on the coordinate plane.

select from the drop-down menus to correctly describe the end behavior of

f(x)

as x decreases without bound, the graph of

f(x)

a. approaches y = 0

b. increases without bound

c. decreases without bound

as x increases without bound, the graph of

f(x)

a. approaches y = 0

b. increases without bound

c. decreases without bound