How do you use the graph of $y = \sqrt{x}$ $y=sqrtx$ to sketch the graph of $f (x) = - 9 \sqrt{x}$ $f(x)=-9sqrtx$ ?

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How do you use the graph of $y = \sqrt{x}$ $y=sqrtx$ to sketch the graph of $f (x) = - 9 \sqrt{x}$ $f(x)=-9sqrtx$ ?

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Answer 1 · 2015-07-13T18:20:49

The $-$ $-$ means uside down, and the $9$ $9$ means everything is $9$ $9$ times greater.

Explanation:

I'll just show you the graph:
graph{-9sqrtx [-64.2, 173, -73.5, 45.2]}
as compared to $\sqrt{x}$ $sqrtx$ (same scale)
graph{sqrtx [-63.2, 174, -56, 62.7]}

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How do you use the graph of $y = \sqrt{x}$ $y=sqrtx$ to sketch the graph of $f (x) = - 9 \sqrt{x}$ $f(x)=-9sqrtx$ ?

1 Answer

Explanation:

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How do you use the graph of $y = \sqrt{x}$ $y=sqrtx$ to sketch the graph of $f (x) = - 9 \sqrt{x}$ $f(x)=-9sqrtx$ ?