Question

Find the rule of f(2)

Answer 1

f(2) = 16
f(2) = -4^2
f(2) = -4 x -4 = 16 (not -16)

Answer 2

f(2) = - 16

Explanation:

Given

f(x) = -
`(4)^(x)`

To evaluate f(2) substitute x = 2 into f(x)

f(2) = -
`(4)^(2)` = - 16