Produce a Rule for the Function Whose Graph Is Shown $g ( x ) = \left\{ \begin{array} { l l } 1 & \text { for } x \geq 3 \\ 3 & \text { for } x < 3 \end{array} \right.$

Produce a rule for the function whose graph is shown.
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A) $g ( x ) = \left\{ \begin{array} { l l } 1 & \text { for } x \geq 3 \\ 3 & \text { for } x < 3 \end{array} \right.$

B) $g ( x ) = \left\{ \begin{array} { l l } 1 & \text { for } x < 3 \\ 3 & \text { for } x \geq 3 \end{array} \right.$

C) $g ( x ) = \left\{ \begin{array} { l l } 1 & \text { for } x \leq 3 \\ 3 & \text { for } x > 3 \end{array} \right.$

D) $g ( x ) = \left\{ \begin{array} { l l } 3 & \text { for } x \geq 1 \\ 3 & \text { for } x < 3 \end{array} \right.$