$\"\"$

The function is $\"\"$ .

The function $\"\"$ , where $\"\"$ . Since $\"\"$ and $\"\"$ , the graph of $\"\"$ translates the graph $\"\"$ up 0.8 unit and streches it vertically.

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$\"\"$

The graph of $\"\"$ translates the graph $\"\"$ up 0.8 unit and streches it vertically,

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