### Home > APCALC > Chapter 2 > Lesson 2.3.1 > Problem2-106

2-106.

Given $f (x) = 2x + 1$ and $g(x) = \sqrt { x - 3 } + 2$, write equations for the following functions.

1. $f^{−1} (x)$

Solve for $x$, then switch the $x$ and $y$.

1. $g^{−1} (x)$

See the hint for part (a).

1. $g^{−1} (f(x))$