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Nikhil VJ · Answer 1 · 2023-08-17T14:52:26+0000

In general, given a function g(x), a vertical stretch/compression is given by the transformation below

$\begin{gathered} g(x)\rightarrow ag(x) \\ a>1\rightarrow\text{ stretch} \\ 0Therefore, in our case,[tex]\begin{gathered} k(x)=(1)/(7)x^2=(1)/(7)f(x) \\ and \\ 0<(1)/(7)<1 \end{gathered}$

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Thus, the answer is option B, a vertical compression by a factor of 7.

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