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Mathematics 7 Online
OpenStudy (anonymous):

HELP! What is the range of the function y = 1 + 2sin(x - pi)? A. -1 to 1 B. -2 to 2 C. 0 to 3 D. -1 to 3 E. -3 to 3

OpenStudy (anonymous):

Answer is D, from -1 to 3. The reason is, sin() has a range from -1 to 1, 2sin() has a range of -2 to 2. Add 1 to it, so 1+2sin() has a range from -1 to 3

OpenStudy (anonymous):

thank you!

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