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Observe the graph:

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The parent function is square root function $\"\"$ .

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The graph $\"\"$ appears to be $\"\"$ shifted $\"\"$ units to the left and $\"\"$ units to down.

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Therefore, we have $\"\"$ .

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The point $\"\"$ is on the graph of $\"\"$ .

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Use the point $\"\"$ to determine if there is a dilation.

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$\"\"$

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$\"\"$

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But $\"\"$ .

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There is must be a dilation.

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Let $\"\"$ represent the dilation and solve for $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

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Since there is no reflection, consider the positive value for $\"\"$ .

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$\"\"$ .

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The function is $\"\"$ .

\

\

$\"\"$ .