Question

Need help, thanks. :)

Answer 1

f(2) = 0

substitute x = 2 into f(x)

f(2) = (2 × 2 ) - 4 = 4 - 4 = 0

Answer 2

f(2) = 0

Explanation:

Plug x = 2 into the formula for f(x):-

f(2) = 2(2) - 4

= 4 - 4

= 0