Divide, if possible.-210 ÷ 0
A. - 
B. 0
C. -210
D. Undefined
Answer: D
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The graphs of two functions f(x) and g(x) are given.Solve f(x) ? g(x).
A. x ? -1 or x ? 2 B. x ? 0 or x ? 2 C. -1 ? x ? 1 D. -1 ? x ? 2
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
2
A. 
B. 
C. 
D. 
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 76.9 centimeters, ? = 
radians, A = ?
A. 1548.2 cm2 B. 246.4 cm2 C. 774.1 cm2 D. 10.1 cm2
Solve the problem.A ball dropped from the top of a building has a height of s = 256 - 16t2 meters after t seconds. How long does it take the ball to reach the ground? What is the ball's velocity at the moment of impact?
A. 4 sec, -128 m/sec B. 16 sec, -512 m/sec C. 8 sec, -64 m/sec D. 4 sec, 128 m/sec