Find the vertical asymptote(s), if any, of the graph of the rational function. f(x) = 
A. x = 8, x = -5
B. no vertical asymptote
C. x = -8, x = 5
D. x = 8
Answer: D
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Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
= 6, 
= 9, ? = 
A. 76.4 B. 42.4 C. 68.8 D. 38.2
Eliminate the parameter to find a Cartesian equation for the hyperbola.x = sec t + 2, y = 2 tan t + 5
A. (x - 2)2 + 
= 1
B. (y - 2)2 - 
= 1
C. (x - 2)2 - (y - 5)2 = 4
D. (x - 2)2 - 
= 1
Solve the problem.Each student in a sixth-grade class recorded the amount of time he or she had spent watching television during the previous week. The times (in hours) are listed below. Find the range.20.5?15.1?8.5?19.9?22.4?29.1?14.1?16.5?21.4?21.1
A. 5.4 hr B. 20.6 hr C. 22.4 hr D. 8.5 hr
Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
E. 