Question 242720
To find the inverse of a function, there are TWO steps:


Step 1:  Given that y =4x+2, INTERCHANGE the x and y.
x=4y+2


Step 2:  SOLVE for y.

x=4y+2
x-2=4y
4y=x-2


Divide both sides by 4:
{{{y=(x-2)/4}}}  or {{{y=(x/4)-(1/2)}}}


Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus