Answer:
A
Step-by-step explanation:
Given
f(x) = [tex]\frac{x+3}{4}[/tex]
let f(x) = y and rearrange making x the subject
y = [tex]\frac{x+3}{4}[/tex] ( multiply both sides by 4 )
4y = x + 3 ( subtract 3 from both sides )
4y - 3 = x
Change y back into terms of x
[tex]f^{-1}[/tex](x) = 4x - 3 → A
