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Home > PC > Chapter 9 > Lesson 9.3.1 > Problem 9-101

9-101.

The graph below is the result of a transformation of . Find a possible equation for the function.

The vertical shift is down . There is no horizontal shift.

So a whole cycle (period) is . Calculate the frequency : , so ?

Substitute pertinent information into:

Periodic curve, x axis scaled from negative 2 pi to 2 pi, with 2 visible turning points at (negative pi, comma negative 5), & (pi, comma negative 3), with y intercept at (0, comma negative 4).