Solve the equation.
= 3
A. {24, 48}
B. [48, -24}
C. ?
D. {-48, -24}
Answer: D
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Convert as indicated. If necessary, round to two decimal places.7 liters to quarts
A. 26.53 qt B. 7.42 qt C. 6.65 qt D. 1.82 qt
Solve. Write a mixed numeral for the answer.At a track and field event, an athlete recorded the following heights at the high jump: 84
in., 83
in., 83
in., and 85 in. Find the average of the four jumps.
A. 84 in.
B. 84
in.
C. 84
in.
D. 84
in.
Solve the problem.Suppose that the population of a certain city during a certain time period can be approximated by 
where x is time in years since 2010. By sketching a graph of P(x), estimate during what time period the population of the city would be increasing.
A. Between 2010 and 2024 B. Between 2015 and 2045 C. Between 2010 and 2038 D. Between 2015 and 2038
Solve the problem.Suppose that the change in pressure of the oil in a reservoir can be approximated by: P(x) = x3 - 30x2 + 225x where x is time in years from the date of the first reading. This function is valid for 
By sketching a graph of P(x), estimate when the change in pressure is maximum.
A. In year 7 B. In year 5 C. In year 6 D. In year 4