Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. Solve the equation 
to find the time t (in seconds) at which the object hits the ground.
A. 160 sec
B. 2 sec
C. 5 sec
D. -2 sec
Answer: C
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Identify the type of surface represented by the given equation.
+ 
+ 
= 1
A. Ellipsoid B. Paraboloid C. Sphere D. Elliptical cone
Let A = {1, 3, 5, 7}, B = {5, 6, 7, 8}, C = {5, 8}, D = {2, 5, 8}, and U = {1, 2, 3, 4, 5, 6, 7, 8}. Decide if the set relationship is true or false.D ? B
A. True B. False
Explain the behavior of the graph of f(x) as it approaches its vertical asymptote.f(x) = 
A. Approaches -? from the left and the right B. Approaches ? from the left and the right C. Approaches -? from the left, approaches ? from the right D. Approaches ? from the left, approaches -? from the right
Solve the equation by completing the square. Express any complex numbers using i notation.x2 + 10x = -10
A. x = 5 + 
B. x = -5 ± 
C. x = -10 + 
D. x = 5 ± 