The Graphs Of $f$ And $g$ Are Shown at the Right $g(x)$ In Terms Of

Multiple Choice

The graphs of $f$ and $g$ are shown at the right.

Which of the following gives a formula for $g(x)$ in terms of $f(x)$ ?

A) $g(x) =f\left(\frac{x}{2}\right)$
B) $g(x) =f(2 x)$
C) $g(x) =\frac{1}{2} f(x)$
D) $g(x) =2 f(x)$