AnswersAZ-Common Core Algebra II BChanges in Period and Phase Shift of Sine and Cosine FunctionsQuestion 15
15
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Changes in Period and Phase Shift of Sine and Cosine Functions
Question 15 • AZ-Common Core Algebra II B
Use the graph to write an equation y = acos[b(x – h)] + k to model the situation.The amplitude is , so a = . The period is , so b = .
Answer
Part 1:
30
Part 2:
-30