Solve the logarithmic equation.log2(-2 - 3x) = 2
A. 
B. 
C. {-2}
D. {2}
Answer: C
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Refer to the figure with X the midpoint of side 
, Y the midpoint of side 
, XY = 5x- 4, and MO = 8x+16.
Find MO.
(a) 112
(b) 56
(c) 12
(d) 6
Assume that 0 < ? < ?/2. Find an expression for the indicated trigonometric function.Let x = 7 sin ? in 
. Find cos ?.
A. 
B. 
C. 
D. 
Solve the problem.Susan purchased some municipal bonds yielding 7% annually and some certificates of deposit yielding 9% annually. If Susan's investment amounts to $19,000 and the annual income is $1590, how much money is invested in bonds and how much is invested in certificates of deposit?
A. $5500 in bonds; $13,500 in certificates of deposit B. $13,000 in bonds; $6000 in certificates of deposit C. $13,500 in bonds; $5500 in certificates of deposit D. $6000 in bonds; $13,000 in certificates of deposit
Find the center and vertices which located on the major axis of the ellipse from given equation and select its graph.
?
?
A. Center: (0,0)
Vertices: (-6,0)
?
B. Center: (0,0)
Vertices: (±6,0)
?
C. Center: (0,0)
Vertices: (-6,0)
?
D. Center: (0,0)
Vertices: (±6,0)
?
E. Center: (0,0)
Vertices: (6,0)
?