Solve the problem.The height of an object dropped from a tall building is given by the table, where t is the elapsed time in seconds and h is the height in feet.
If the height is modeled by h(t) = h0- 16t2, find h0.
A. 500 ft
B. 1000 ft
C. 2000 ft
D. 1500 ft
Answer: B
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Write the slope-intercept form of the equation for the line passing through the given pair of points.(-9, 7) and (0, 3)
A. y = - 
x + 3
B. y = - 
x + 3
C. y = 
x + 3
D. y = 
x + 3
Construct a truth table for the given statement and then determine if the statement is a tautology.[ (p ? ~ q) ? q ] ? p
A. 
Is a tautology.
B. 
Is a tautology.
C. 
Is not a tautology.
D. 
Is not a tautology.
Write a recursion formula for the sequence.81, 9, 3, 
, . . .
A. an = (an-1)2, a1 = 81
B. an = 
, a1 = 81
C. an = 
, a1 = 81
D. an = 3an-1, a1 = 81
Solve the problem.A nuclear scientist has a sample of 
of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of a day and obtains the following data. Use a graphing utility to fit an exponential function to the data. Predict the amount of material remaining at 40 hours.
.
A. y = 86e-0.071x, 5.0 mg B. y = 100e-0.077x, 6.7 mg C. y = 100e-0.077x, 4.6 mg D. y = 92e-0.0686x, 5.9 mg