Respuesta :

Step-by-step explanation:

its in the picture

Please mark as brainliest

Ver imagen folaoye515

Answer:

f^-1(x) = (x - 4)/3

Step-by-step explanation:

y = 3x + 4

Make x the subject

3x = y - 4

x = (y - 4)/3

Interswitch variables

f^-1(x) = (x - 4)/3