Match the given function to its graph.1) y = sin x2) y = cos x3) y = -sin x4) y = -cos xA B
C D
A. 1A, 2D, 3C, 4B
B. 1C, 2A, 3B, 4D
C. 1B, 2D, 3C, 4A
D. 1A, 2B, 3C, 4D
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Solve the equation.
+ 
= 
A. ?
B. 
C. 
D. 
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Solve for x: log-1 0.25 = x.
A. -0.602 B. 1.78 C. -0.25 D. -1.78
Mathematics
Write the following as the product of a real number and i.
A. ± 5
B. -5i
C. 5i
D. -i
Mathematics