Answer:
Option A. f(x) = 2*(0.25)^x
Step-by-step explanation:
As x increases f(x) decreases so the base of the exponential part is < 1.
So it looks like (0.25)^x is included in the function. When x = 0, f(x) = 2.
Now (0.25)^0 = 1 so 2 * (0.25)^0 will make f(x) = 2.
The answer is f(x) = 2*(0.25)^x.