Pre-Calculus, 9th edition
31

Step-by-step Answer
 PAGE: 405 SET: Exercises PROBLEM: 31
Please look in your text book for this problem Statement

The function is .

The general form of sine function is .

Where is amplitude and period .

Compare the function with general form of sine function.

Here amplitude is .

The period is .

Therefore, the sine wave starts from and completes one cycle at and completes two cycles at .

Observe the graphs:

The graph (A) matches to the characteristics of the function .

Hence, the graph (A) is the correct choice.

The graph (A) is the correct choice.

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