Solve the problem.In four rounds of a card game, you get scores of -4, -10, 6, and -2. What is your final score?
A. -10
B. -14
C. 10
D. 14
Answer: A
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Solve and check. Identify any extraneous solutions.
+ 
= 
A. -4 B. No solution (-4 is extraneous) C. 0, 4 D. 3
Use the graph to answer the question.
Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. Knowing what he knows now, after how many days should he have sold in his stock in company A?
A. 30 B. 60 C. 50 D. 80
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.04 B. 0.02 C. -0.4 D. 0.3
The histogram shows the scores of each participant in a game from a total of 100 participants. Use the histogram to answer the question. 
The greatest number of participants is within which category?
A. 40-59 B. 60-69 C. 60-79 D. 80-99