Indicate whether the function is one-to-one.Age Average Number of Children 18 -------------> 0.1 23 -------------> 0.4 25 -------------> 0.7 30 -------------> 1.2
A. No
B. Yes
Answer: B
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Perform the indicated clock arithmetic.(-9) ? (-7) (12-hr clock)
A. 8 B. Does not exist C. 7 D. 12
Explain the behavior of the graph of f(x) as it approaches its vertical asymptote.f(x) = 
A. Approaches ? from the left, approaches -? from the right B. Approaches ? from the left and the right C. Approaches -? from the left, approaches ? from the right D. Approaches -? from the left and the right
Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(-3, -4), (-4, -3)} B. {(3, -4), (3, 4)} C. {(3, 4), (4, 3), (-3, -4), (-4, -3)} D. {(3, 4), (-3, 4), (3, -4), (-3, -4)}
Solve.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 174 lb on earth weighs 34.8 lb on the Moon. How much would a 115-lb person weigh on the Moon?
A. 0.2 lb B. 323.8 lb C. 575 lb D. 23 lb