Graph the pair of parametric equations with the aid of a graphing calculator.x = 4 sin t - sin 4t, y = 4 cos t - cos 4t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use this graph to answer the question.Big "D" Sales for 2009 and 2010 
MonthWhat were the total sales for 2010?
A. $72,000 B. $578,000 C. $764,000 D. $60,000
Mathematics
Let U = {1, 2, 4, 5, a, b, c, d, e}. Find the complement of the set.T = U
A. T B. {U - T'} C. ? D. U
Mathematics
Use the table to determine if f is one-to-one. If so, use the table for f(x) to find a table for f-1(x).
A. 
B. 
C. Not a one-to-one function
D. 
Mathematics
Find the probability.If 81% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will all take place?
A. .81 B. .01 C. .66 D. .53
Mathematics