Find the Equation of the Given Linear Function A) $f ( x ) = - 1 + 2 x$

Find the equation of the given linear function. $$\begin{array} { | l | l | l | l | l | } \hline \boldsymbol { x } & - 2 & 0 & 2 & 4 \\\hline \boldsymbol { f } ( \boldsymbol { x } ) & 5 & 1 & - 3 & - 7 \\\hline\end{array}$$

A) $f ( x ) = - 1 + 2 x$
B) $f ( x ) = 1 - 2 x$
C) $f ( x ) = 4 - 2.1 x$
D) $f ( x ) = 4 - 2 x$
E) $f ( x ) = 1 + 2.7 x$

Correct Answer:

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