Match the given function to its graph.1) y = sin x2) y = cos x3) y = -sin x4) y = -cos xA B
C D
A. 1B, 2D, 3C, 4A
B. 1A, 2B, 3C, 4D
C. 1C, 2A, 3B, 4D
D. 1A, 2D, 3C, 4B
Answer: C
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Graph the equation.x = 1
A. 
B. 
C. 
D. 
Solve the equation for the indicated variable. Assume no denominator is 0.Ve = 
mv2, for v
A. v = ± 
B. v = ±
C. v = 
D. v = ±2 
Solve using the addition or division principle.36 = -4k
A. 1 B. -9 C. 40 D. -40
Find the indicated probability.The following contingency table provides a joint frequency distribution for the popular votes cast in the 1984 presidential election by region and political party. Data are in thousands, rounded to the nearest thousand.Political Party
A person who voted in the 1984 presidential election is selected at random. Compute the probability that the person selected did not vote Republican given that they are from the West.
A. 0.885 B. 0.078 C. 0.404 D. 0.596