Solve.
= 0
A. {2}
B. {-2}
C. {2, -2}
D. ?
Answer: A
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For the function f whose graph is given, determine the limit.Find
f(x).
A. -3 B. does not exist C. 3 D. 0
Solve the problem.If an object weighs m pounds at sea level, then its weight W (in pounds) at a height of h miles above sea level is given approximately by W(h) = m 
2. How much will a man who weighs 165 pounds at sea level weigh on the top of a mountain which is 14,494 feet above sea level? Round to the nearest hundredth of a pound, if necessary.
A. 164.77 pounds B. 165.23 pounds C. 7.72 pounds D. 165 pounds
Solve for x. Be sure to reduce your answer. Check your solution.4x = -28
A. x = -7 B. x = -32 C. x = 1 D. x = 32
Identify the values for which the rational expression is undefined.
A. x = 8 or x = 9 B. x = 8 C. x = -8 D. None