Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. -2 sec
B. 5 sec
C. 2 sec
D. 160 sec
Answer: B
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 8 B. -0.2 C. 0.1 D. 0.2
Mathematics
Solve the problem.Suppose that we wish to seat eight people, 4 men and 4 women, in a row of eight chairs. In how many ways can we seat the people if the men and women must alternate?
A. 80,640 ways B. 576 ways C. 1152 ways D. 48 ways
Mathematics
Solve the equation by completing the square.x2 + 5x - 5 = 0
A. 
B. 
C. 
D. {-5 - 3
, -5 + 3
}
Mathematics
Find the slope of the line that goes through the given points.(-4, 6), (-4, -9)
A. Undefined
B. 
C. - 
D. 0
Mathematics