Decide whether or not the functions are inverses of each other.f(x) = 
, domain [-2, ?); g(x) = x2 + 2, domain (-?, ?)
A. No
B. Yes
Answer: A
Mathematics
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Express the number in terms of j.
A. -50j
B. j
C. 50j
D. ±50
Mathematics
Use the vectors u, v, and w in the accompanying figure to graph the vector. 
v - w
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations using Cramer's Rule, if applicable.
A. ? B. {(x, y)|5x + 2y = 69} C. (15, -3) D. (-3, 15)
Mathematics
Find the center, transverse axis, vertices, and foci of the hyperbola.
- 
= 1
A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -5), (0, 5)
foci: (- 
, 0), (
, 0)
B. center at (0, 0)
transverse axis is x-axis
vertices: (-11, 0), (11, 0)
foci: (- 
, 0), (
, 0)
C. center at (0, 0)
transverse axis is y-axis
vertices: (-5, 0), (5, 0)
foci: (-11, 0), (11, 0)
D. center at (0, 0)
transverse axis is y-axis
vertices: (0, -5), (0, 5)
foci: (0, - 
), (0, 
)
Mathematics