Solve. Round your answer to the nearest tenth, if necessary.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. In 5 seconds
B. In 160 seconds
C. In 2 seconds
D. In 7 seconds
Answer: A
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Evaluate the integral.
A. ln
+ C
B. 
ln
+ C
C. 
ln
+ C
D. -3 ln
+ C
Solve.A wooden beam is (8y2 + 8y + 1) feet long. If a piece (y2 - 18) feet is cut, express the length of the remaining piece of beam as a polynomial in y.
A. 7y2 + 8y - 17 ft B. 7y2 + 26y + 1 ft C. 7y2 - 10y + 1 ft D. 7y2 + 8y + 19 ft
Solve the problem.A parallelogram has a base of length 2x + 1 and a height of x + 3 and has an area of 42 square units. Find the base and height of the parallelogram. (A = bh)
A. height = 3 units; base = 14 units B. height = 6 units; base = 7 units C. height = 14 units; base = 3 units D. height = 7 units; base = 6 units
Solve the equation.x(6x + 12) = 0
A. 0, 2
B. -2, 0
C. 0, 
D. - 
, 0