If $f$ is one-to-one and $f(-9) = 9$, then
$f^{-1}( 9 ) =$
and $(f( -9 ))^{-1} =$ .
If $g$ is one-to-one and $g(-10) = 12$, then
$g^{-1}( 12 ) =$
and $(g( -10 ))^{-1} =$ .
If $h$ is one-to-one and $h(14) = 9$, then
$h^{-1}( 9 ) =$
and $(h( 14 ))^{-1} =$ .