Solve. If an object is propelled upward from a height of 48 feet at an initial velocity of 80 feet per second, then its height, in feet, after t seconds is given by the equation 
After how many seconds will the object reach a height of 148 feet?
A. 5 sec
B. 1.3 sec
C. 2.5 sec
D. 10 sec
Answer: C
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Provide an appropriate response.A community of deer begins with an initial population of 1000 and grows 2.3% per year. Find the doubling time of the population. Round to the nearest year.
A. 30 years B. 87 years C. 1 year D. 13 years
Evaluate the function.For f(x) = 
, find f(-3).
A. -
B. 
C. 5
D. -5
Solve the problem.If (3, -5) is the endpoint of a line segment, and (2, -10) is its midpoint, find the other endpoint.
A. (5, 5) B. (1, -15) C. (-7, -7) D. (1, 0)
Solve the problem. Round your answer to the nearest tenth.The roof of a building is in the shape of the hyperbola 4y2 - x2 = 64, where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls. 
a = 9.0 mb = 9.0 m
A. 12.0 m B. 145.0 m C. 36.3 m D. 6.0 m