Find a formula for f-1(x) and (f 1) (x) if f(x) = -V2 -x f- 1 ( 2 ) = ( f-1 )' (20 ) =Find a formula for f-1(x) and (f-1) (x) if f(xc) = x 3 f- 1 ( ac ) = ( f- 1)' ( 20 ) =Find a formula for f-1(x) and for (f-!)'(x) if f ( a) = - 3 +1 f 1( ac ) = ( f-1)' (20 ) =