Precalculus 2014

 PAGE: 264 SET: Exercises PROBLEM: 1

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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