Find the vertices of the hyperbola.y = ± 
A. (0, 4) and (0, -4)
B. (4, 0) and (-4, 0)
C. (16, 0) and (-16, 0)
D. (0, 3) and (0, -3)
Answer: B
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Evaluate the double integral over the given region.
R = 
A. 
B. 
C. 
D. ?
Choose the graph that satisfies the given conditions.Degree 3 with one x-intercept and a positive leading coefficient
A. 
B. 
C. 
D. 
Solve the right triangle.A = 11° 42', c = 201 ft, C = 90°Round side lengths to two decimal places, if necessary.
A. B = 78° 18', a = 40.76 ft, b = 196.82 ft B. B = 78° 18', a = 40.19 ft , b = 195.93 ft C. B = 79° 17', a = 40.76 ft, b = 192.82 ft D. B = 78° 17', a = 43.96 ft, b = 198.02 ft
Solve the problem. Round answer to the nearest tenth, if necessary.A toy rocket is shot vertically upward from the ground. Its distance in feet from the ground in t seconds is given by 
. At what times will the ball be 
from the ground?
A. 8.7 sec B. 4.3 sec C. 2.2 and 6.5 sec D. 135.1 and 142.9 sec