Question

Math question need help with it

Answer 1

Let the inverse be y

`{ \sf{y = 2x - 6} } \\ \\ { \sf{2x = y + 6}} \\ \\ { \sf{x = (y + 6)/(2) }}`

Therefore;

`{ \boxed{ \sf{f {}^( - 1)(x) = (x + 6)/(2) }}}`