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The given function .
The above equation is equal to this statement .
Find the amplitude.
(The coefficient of is 2)
Next, find the period.
(Substitute )
, so the vertical shift is 3.
, so the phase shift is to left.
The vertical shift is 3 and graph midline .
The amplitude is 2 and draw the dashed lines 2 units above and below the midline at
.
The period is , the graph will be stretched.
The graph shift to the left.
Use the amplitude and period to graph the function.
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