Find the specified domain.For f(x) = x2 - 36 and g(x) = 2x + 3, what is the domain of f ? g?
A. (-?, ?)
B. [0, ?)
C. [6, ?)
D. (-6, 6)
Answer: A
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Make the indicated conversion within units of time.Convert 6 minutes to seconds.
A. 180 seconds B. 144 seconds C. 72 seconds D. 360 seconds
Multiply.(w - 12)2
A. w + 144 B. w2 + 144 C. w2 - 24w + 144 D. 144w2 - 24w + 144
A river flows in a roughly circular path around a hill.A surveyor measures the distance from P to Q to be 688 .The perpendicular distance from B to the midpoint of PQ, point A, is 86' .What is the radius of curvature of the river through this turn?
Solve the problem.A ball is thrown vertically upward with an initial velocity of 160 feet per second. The distance in feet of the ball from the ground after t seconds is 
For what interval of time is the ball more than 256 above the ground?
A. {x ? 7 sec < x < 13 sec} B. {x ? 2 sec < x < 8 sec} C. {x ? 1.5 sec < x < 8.5 sec} D. {x ? 4.5 sec < x < 5.5 sec}