Amplitude and Period of Cosine Functions

1. 1For nos. 1-4, refer to this function of the graph,
   y= -2 cos⁡〖(x+30°)+1〗
   1. What is the amplitude of the function?

   1. A1
   2. B2
   3. C3
   4. D-1
2. 2 y= -2 cos⁡〖(x+30°)+1〗
   2. What is the period of the function?

   1. A2π
   2. Bπ/2
   3. Cπ
   4. D π/6

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Quiz on Untitled, created by classicjohn01 on 25/09/2015.

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