Answer:
[tex]f^{-1}[/tex](x) = [tex]\frac{x-3}{5}[/tex]
Step-by-step explanation:
Rearrange the equation making x the subject
y = 5x + 3 ( subtract 3 from both sides )
y - 3 = 5x ( divide both sides by 5 )
[tex]\frac{y-3}{5}[/tex] = x
Change y to x then
[tex]f^{-1}[/tex](x) = [tex]\frac{x-3}{5}[/tex]
