Answer the question.Which one of the equations below matches the graph?
A. y = -2 sin
B. y = 2 sin
C. y = 2 cos
D. y = 2 cos(3x)
Answer: B
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Add or subtract.3i + (-4 - i)
A. 4 - 2i B. 4 - 4i C. -4 + 4i D. -4 + 2i
Divide and simplify.
A. 2x + 8 + 
B. 2x + 8 + 
C. 2x2 + 8 + 
D. 2x2 + 8 + 
Convert the units.225 L = 
mL
A. 225,000 mL B. 0.225 mL C. 22.5 mL D. 22,500 mL
Find the center, transverse axis, vertices, foci, and the equations of the asymptotes of the hyperbola.
- 
= 1
A. center: (2, -2)
transverse axis: x = 2
vertices: (2, -2 - 
) and (2, -2 + 
);
foci: (2, -4) and (2, 0)
asymptotes: y + 2 = - 
(x - 2) and y + 2 = 
(x - 2)
B. center: (-2, 2)
transverse axis: y = 2
vertices: (-2, 0) and (-2, 4)
foci: (-2, 2 - 
) and (-2, 2 + 
)
asymptotes: y + 2 = - 
(x - 2) and y + 2 = 
(x - 2)
C. center: (2, -2)
transverse axis: x = 2
vertices: (2, -4) and (2, 0)
foci: (2, -2 - 
) and (2, -2 + 
)
asymptotes: y + 2 = - 
(x - 2) and y + 2 = 
(x - 2)
D. center: (2, -2)
transverse axis: y = -2
vertices: (4, -3) and (3, 1)
foci: (4, -1 - 
) and (3, -1 + 
)
asymptotes: y + 2 = - 
(x - 2) and y + 2 = 
(x - 2)