Use the functions at right to evaluate each of the following expressions. 

1. $f(g(1))$ 

   Step (a):

   $f(−9)$

2. $f^{-1}(g(-3))$ 

   Step 1(b):

   $f^{−1}(−4)$

   Step 2(b):

   Solve: $−4=−4x−10$

3. $g^{-1}(f^{-1}(-6))$ 

   Step (c):

   To determine $f^{−1}(−6)$, solve $−6=−4x−10$.