Give the focus, directrix, and axis for the parabola.(x - 2)2 = 20(y + 4)
A. (-2, 9), y = -1, x = -2
B. (-4, 7), y = -3, x = -4
C. (2, 1), y = -9, x = 2
D. (2, -9), x = 1, y = -4
Answer: C
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? 
A. 1
B. 
C. -1
D. 0
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Find the maximum height attained by the object.
A. 112 ft B. 96 ft C. 196 ft D. 180 ft
Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = sin ?Find 4g(?).
A. -2
B. 2
C. 4
D. -4
Solve the problem.Wind speed varies in the first twenty meters above the ground. For a particular day, let 
compute the wind speed 
above the ground. What is the wind speed 
above the ground? Round results to the nearest hundredth.
A. 2.92 meters per second B. 4.39 meters per second C. 4.18 meters per second D. 0.19 meters per second