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The functions are $\"\"$ and $\"\"$ .

Substitute $\"\"$ in the function $\"\"$ .

$\"\"$ .

The graph of $\"\"$ is the graph of $\"\"$ expanded vertically by a factor of $\"\"$ and translated $\"\"$ unit up.

Graph the functions $\"\"$ and $\"\"$ .

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The graphs of $\"\"$ and $\"\"$ is :

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