"Consider `f: R rarr [-5,oo)`  given by `f(x)=9x^2+6x-5`  . Show that `f`  is   invertible with
Channel: Doubtnut
Date: 2020-07-05

"Consider `f: R rarr [-5,oo)`  given by `f(x)=9x^2+6x-5`  . Show that `f`  is   invertible with `f^(-1)(y)=((sqrt(y+6)-1)/3)dot`"