Find the indicated set given A = {-3, 0, 2, 5, 6, 11, 16, 23}, B = {-3, 0, 16, 23}, and 
A ? B
A. {-3, 0, 16, 23}
B. {5, 11}
C. {0, 2, 5, 6, 11, 23}
D. {-3, 0, 2, 5, 6, 16}
Answer: A
Mathematics
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Solve.8 ? 3t + 2 ? 26
A. 2 < t < 8 B. -8 ? t ? -2 C. -8 < t < -2 D. 2 ? t ? 8
Mathematics
Solve the problem.The polynomial function 
represents the yearly income (or loss) from a real estate investment, where t is time in years. After how many years does income begin to decline?
A. 10 yr B. 9 yr C. 13.3 yr D. 20 yr
Mathematics
Determine the amplitude or period as requested.Period of y = 
cos 
A. 
B. 
C. 
D. 
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Perform the indicated operation. Simplify if possible.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics