Precalculus 2014
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The functions are and .
Consider .
.
The graph of is the graph of shrink vertically by a factor of .
The amplitude of is .
Table :
Construct a table containing -intercepts and extrema for and for one period .
Function | -intercept | Maximum | -intercept | Minimum | -intercept |
Function | -intercept | Maximum | -intercept | Minimum | -intercept |
Graph :
1. Draw a coordinate plane.
2. Plot the coordinate points.
3. Then sketch the graph, connecting the points with a smooth curve.
The amplitude of is .
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