Solve the inequality, giving its solution set in both interval and graph forms.f + 11 < 2 
A. (-?, -9)
B. (-9, ?)
C. [-9, ?)
D. (-?, -9]
Answer: A
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Find the work done by F over the curve in the direction of increasing t.F = -7yi + 7xj + 2z7k; C: r(t) = cos ti + sin tj, 0 ? t ? 5
A. W = 0
B. W = 
C. W = 35
D. W = 70
Find the mode(s) for the given sample data. Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s).
A. 58 B. 58.9 C. 56, 60, 64, 51, 52, 68, 67, 58, 54 D. No mode
One of the values r (radius), d (diameter), V (volume), or S(surface area) is given for a particular sphere. Find the indicated value. Leave ? in your answer.S = 196? m2; r = ?
A. 49 m B. 7 m C. 7? m D. 14 m
Solve.The following table shows the daily evaporation and usage totals, in acre-feet, during a summer week at a certain dam. Use these data to answer the questions.DayDaily Evaporation (in acre-feet)Daily Usage (in acre-feet)Sunday61.4 203.3Monday59.7 201.7Tuesday60.1219.5Wednesday57.2229.6Thursday61.6200.7Friday65.3212.5Saturday59.8210.3(a) Find the mean daily evaporation.(b) Find the median daily evaporation.(c) Find the mean daily usage.(d) Find the median daily usage.
A. (a) 61.5 acre-feet, (b) 60.1 acre-feet, (c) 209.4, (d) 210.3 B. (a) 60.7 acre-feet, (b) 60.1 acre-feet, (c) 211.1, (d) 210.3 C. (a) 61.5 acre-feet, (b) 57.2 acre-feet, (c) 209.4, (d) 212.5 D. (a) 60.7 acre-feet, (b) 57.2 acre-feet, (c) 211.1, (d) 212.5