Question 170979
replace F(x) with y
:
y=2x+4.......in order to find the inverse simply exchange y for x and x for y,wherever you find x and y, and solve for y
:
x=2y+4--->subract 4 from each side
:
2y=x-4---> divide by 2
:
replace y by {{{F^-1(x)}}}
:
{{{highlight(F^-1(x)=x/2-2)}}}