I was given the funtion "f(x)=3x2+10" and was told to solve f^-1(x)[the inverse]. i got "f^-1(x)=sqrt( (x-10)/3 )" i would really appriciate it if someone could check my work. They also told to slove "f^-1( f(3) )" and im not sure what i need to do.[edited]