Westonci.ca is the ultimate Q&A platform, offering detailed and reliable answers from a knowledgeable community. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

Find the inverse function of f(x)= [tex] \sqrt{x+4} +7[/tex]

Sagot :

[tex]f(x)=\sqrt{x+4}+7\\ y=\sqrt{x+4}+7\\ y-7=\sqrt{x+4}\\ (y-7)^2=x+4\\ x=(y-7)^2-4\\ f^{-1}(x)=(x-7)^2-4\ \text{ for } x\geq4[/tex]