Find an equation for the graph.
A. y = 2 cos (3?x)
B. y = 2 cos 
C. y = 3 cos 
D. y = 3 cos (2?x)
Answer: B
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Solve the problem.A reservation clerk worked 19.8 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 17.6 hours B. 4.4 hours C. 8.8 hours D. 6.6 hours
Write the whole number in standard form.Ten million, three hundred fifty-four thousand, two hundred three
A. 1,354,203 B. 10,354,203 C. 135,423 D. 1,354,230
Find the component form and magnitude of the indicated vector.Given that P = (-5, 11) and Q = (-6, 4), find the component form and magnitude of the 
A. 
, 
B. 
, 
C. 
, 
D. 
, 50
Use the tables to evaluate the expression if possible.Find (g ? f)(10). 
A. 55 B. 10 C. 19 D. 21