Question

what is g(x) if g(x)=x-7; x=4

Answer 1

Replace g(x) with y

.

y=4x−7

Interchange the variables.

x=4y−7

Solve for y

.y=7/4+x/4

Solve for y

and replace with g−1(x)

g−1(x)=7/4+x/4

Sorry if I am wrong I am truely