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Home > PC > Chapter 7 > Lesson 7.1.2 > Problem 7-28

7-28.

Find:
1. Amplitude
2. Vertical Shift
3. Horizontal Shift
4. b (frequency)

Note: part (a) is the period and pb = 2π
Test your answer in your graphing calculator.

Find where the function crosses y = 30.
Note: The first two times may have occurred before the curve in the given sketch.