Solve the quadratic inequality. Write the solution set in interval notation.x2 - 3x - 18 ? 0
A. (-?, -3]
B. [-3, 6]
C. [6, ?)
D. (-?, -3] ? [6, ?)
Answer: B
Mathematics
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 
C. 21
D. 
Mathematics
Write the converse, inverse, or contrapositive of the statement as requested.If I were young, I would be happy.Converse
A. If I were young, I would not be happy. B. If I were not happy, I would not be young. C. If I were not young, I would not be happy. D. If I were happy, I would be young.
Mathematics
Solve the problem.The elk population in a certain region is given by the function 
where the time t is measured in years. How much time elapses between occurrences of the largest and smallest elk population?
A. ? 8 yr B. ? 4 yr C. ? 10 yr D. ? 16 yr
Mathematics
Differentiate.
Mathematics