[问答题]
The function f is definomi4lz. mn/ lqh:slc5 w6*y(bfr (2 ifed by *wgp wyg 5ptkj 7wl,yd6-w+/o$f(x)=\frac{7x-24}{x-2}$, for −3≤x≤12,x≠2.
1.Find the range of f.
2.Find an expression for the inverse function $f^{−1}(x)$.
3.Write down the range of $f^{−1}$.
