Find y ".y = 5 sin(2x + 8)
A. - 20 cos(2x + 8)
B. - 10 sin(2x + 8)
C. - 20 sin(2x + 8)
D. 10 cos(2x + 8)
Answer: C
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Solve the problem.Find the foci and asymptotes of the following hyperbola:4y2 - 25x2 = 100
A. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
C. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
D. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Increasing on (-?, 0); decreasing on (0, ?) B. Increasing on (-?, ?) C. Decreasing on (-?, ?) D. Decreasing on (-?, 0); increasing on (0, ?)
Find the product. Simplify before performing the multiplication.
? 
A. -7
B. 
C. 1
D. -1
Evaluate the expression for the given values.c2 - 3ab, if a = -2, b = 2, and c = 5
A. -2 B. 37 C. -13 D. 22