Question

If g(x) = 3x - 5, then g -1(x)=

Answer 1

g(x) is same as y
so replace f(x) with y \[\huge\rm \color{Red}{y}=3\color{blue}{x}-5\]
to find inverse `switch x and y` \[\huge\rm \color{blue}{x}=3\color{red}{y}-5\]
now solve that equation for y