Calculate the limit algebraically.
??
?
?
A. 7.5
B. -2
C. 15
D. 13
E. 6.5
Answer: A
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions. Foci at (
, 0), (-
, 0); asymptotes y = 4x, y = -4x
A. 
- y2 = 1
B. y2 - 
= 1
C. 
- x2 = 1
D. x2 - 
= 1
Solve.Multiply: 
? 
.
A. 10xy
B. 
C. 
D. 7xy
Find the volume by using polar coordinates.The region bounded by the paraboloid 
and the xy-plane
A. 324? B. 648? C. 216? D. 432?
Answer the question or solve the problem.Tom, Dick and Harry are brothers with different jobs. One is a teacher, one is a doctor, and one is an engineer. Dick's doctor is his brother. Harry taught his brother in school. Match the brothers with the jobs.
A. Dick - teacher, Harry - engineer, Tom - doctor B. Dick - doctor, Harry - teacher, Tom - engineer C. Dick - teacher, Harry - doctor, Tom - engineer D. Dick - engineer, Harry - teacher, Tom - doctor