Try another version of this question Let ` f(x) = (x +9)^2`. ` f^(-1)( x ) = `
Get help: Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Find the inverse of `f` restricted to `[-9,oo)` .
Be sure your variables match those in the question `sqrt(x)-9`