Question

Help plsssssssssssss

Answer 1

1/4

Explanation:

f(x) = 2 * (1/2) ^x

Let x=3

f(3) = 2 * (1/2) ^3

= 2 * ( 1/2) * 1/2) * (1/2)

= 2 * 1/8

= 2/8

= 1/4