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Home > PC > Chapter 9 > Lesson 9.1.2 > Problem 9-27

9-27.

The graph at right is the result of a transformation of . Find a possible equation.

Focus on the two given points. What can it tell you?

1. The amplitude is .
2. The period and frequency is normal.
3. The vertical shift is .
4. The horizontal shift is .

(Be careful when you write this in your equation.)

Periodic curve, x axis scaled from negative 1 fourth pi to 2 pi, with 2 visible turning points. first at (1 half pi, comma 8), second at (3 halves pi, comma 2), passing through highlighted points (0, comma 5), & (pi, comma 5).