Choose the One Alternative That Best Completes the Statement or Answers

Choose the one alternative that best completes the statement or answers the question.
Find the domain of the composite function f ° g.
- $$f ( x ) = \sqrt { 2 - x } ; \quad g ( x ) = | 2 x - 1 |$$

A) $\{ x \mid x \leq 2 \}$
B) $\{ x \mid x \geq 2 \}$
C) $\left\{ x \mid - \frac { 1 } { 2 } \leq x \leq \frac { 3 } { 2 } \right\}$
D) all real numbers

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