Graph the sinusoidal function using key points.y = sin x - 2 
A. 
B. 
C. 
D. 
Answer: A
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Simplify the expression. Assume that variables represent nonzero numbers.
3
A. 
B. 
C. 
D. 
Find the indicated matrix.Let A = [-4 2] and B = [1 0]. Find 2A + 3B.
A. [-5 4] B. [-1 2] C. [-8 4] D. [-7 4]
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.(y + 1)2 - 16(x - 1)2 = 16
A. center: (-1, 1)
transverse axis is parallel to y-axis
vertices: (-1, -3) and (-1, 5)
foci: (-1, 1 - 
) and (-1, 1 + 
)
asymptotes of y + 1 = - 4(x - 1) and y + 1 = 4(x - 1)
B. center: (1, -1)
transverse axis is parallel to y-axis
vertices: (1, -5) and (1, 3)
foci: (1, -1 - 
) and (1, -1 + 
)
asymptotes of y + 1 = - 4(x - 1) and y + 1 = 4(x - 1)
C. center: (1, -1)
transverse axis is parallel to x-axis
vertices: (-1, -4) and (1, 4)
foci: (1, - 
) and (1, 
)
asymptotes of y + 1 = - 4(x - 1) and y + 1 = 4(x - 1)
D. center: (1, -1)
transverse axis is parallel to y-axis
vertices: (2, -4) and (2, 4)
foci: (2, 0 - 
) and (2, 0 + 
)
asymptotes of y + 1 = - 
(x - 1) and y + 1 = 
(x - 1)
The graph is a translation of one of the basic functions defined by y = x2, y = x3, y = 
, or y = 
. Find the equation that defines the function.
A. y = 2(x + 4)2 B. y = (x - 4)2 - 4 C. y = -2(x - 4)2 D. y = (x - 2)2 - 4