CPM Homework Help : APCALC Problem 2-106

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2-106.

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

$f^{−1} (x)$
Hint (a):
Solve for $x$ , then switch the $x$ and $y$ .

$g^{−1} (x)$
Hint (b):
See the hint for part (a).

$g^{−1} (f(x))$
Hint (c):
Use your answer to part (b) to expedite this process.

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