Question

F(x)=(1/8)(8^x) what is f(3)?

Answer 1

f(3) means x is equal to 3.

Replace x with 3 in the equation and solve:

f(x) = (1/8)(8^x)

f(3) = (1/8)(8^3)

f(3) = (1/8)(512)

f(3) = 64