Question

PLEASE HELP

h(3) = 5x2^-x , Evaluate the function h (3)

Answer 1

h (x) = 5 x 2^-x

2^-x is the same as saying 1/2^x .

h (x) = 5 x 1/2^x

h (3) = 5 x 1/2^3
= 5 x 1/8
= 5/8

Therefore h (3) = 5/8