Identify the open intervals where the function is changing as requested.Increasing
A. (-?,-1), (2, ?)
B. (-?, -1)
C. (-1, 2)
D. (-1, ?)
Answer: A
Mathematics
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Simplify.
A. 
B. -21
C. 11
D. 21
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Perform the division.
A. x3 - 14 B. x + 8 C. x - 14 D. x2 + 8
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Solve the problem.Andrew has $16 deducted from his paycheck each week for health insurance. This amounts to 10% of his gross income. What is his gross income?
A. $150 B. $160 C. $210 D. $1600
Mathematics
Convert the units using unit fractions.6750 lb = 
tons
A. 3
B. 6
C. 4
D. 2
Mathematics