Graph the function.y = -2 cos (4x - ?)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A long distance phone call costs $2.40 for the first minute plus $1.10 each additional minute. What is the cost of a 24 minute call?
A. $28.80 B. $27.70 C. $63.36 D. $80.50
Mathematics
Use the product rule to simplify.
A. 9x
B. 567x
C. 9
D. 9x
Mathematics
Solve the inequality. Graph the solution set and write it in interval notation.x + 11 ? 23
A. (-?, 12)
B. (-?, 12] 
C. [12, ?) 
D. (12, ?) 
Mathematics
Find the time-and-a-half pay rate for the regular hourly pay rate.$142.00
A. $198.80 B. $284.00 C. $213.00 D. $248.50
Mathematics