let f:R+-->[5,infinity] given by f(x)=9x2+6x-5 show that f is invertible and also find the inverse of f ? Share with your friends Share 3 Priyanka Kedia answered this Here is the link for answer to your query. https://www.meritnation.com/ask-answer/question/consider-f-r-5-given-by-f-x-9x2-6x-5-show/relations-and-functions/3663219 -8 View Full Answer