Question

math problem

Answer 1

@darkknight

Answer 2

@Astrid1

Answer 3

let f(x)=y
flip x and y
f(y)=x
\[f^{-1}(x)=y\]
\[y=-3\sqrt{x+2}-6\]
flip x and y
\[x=-3\sqrt{y+2}-6\]
\[x+6=-3\sqrt{y+2}\]
squaring both sides
\[(x+6)^2=9(y+2)\]
\[y+2=\frac{1}{9}(x+6)^2\]
\[y=\frac{1}{9}(x+6)^2-2\]
\[or~f^{-1}(x)=\frac{1}{9}(x+6)^2-2\]

Answer 4

az is that right?

Answer 5

I would trust any answer that surjithayer gives

Answer 6

thanks guys