Establish the identity.
= cos(2?)
What will be an ideal response?
= 
= cos (2?)
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Simplify. Assume all variables and radicands represent nonnegative real numbers.-
A. - 
n
B. -n
C. - 
D. - 
Find the amplitude.y = -4 sin(2?x + 3)
A. 2? B. 4 C. ? D. -8
A function and its graph are given. Use the graph to find the horizontal asymptotes, if they exist, where 
. Confirm your results analytically.
?
?
?
A. 
B. 
C. 
D. 
E. no horizontal asymptotes
Federal Rent-a-Car is putting together a new fleet. It is considering package offers from three car manufacturers. Fred Motors is offering 5 small cars, 5 medium cars, and 10 large cars for $500,000. Admiral Motors is offering 5 small, 10 medium, and 5 large cars for $400,000. Chrysalis is offering 10 small, 5 medium, and 5 large cars for $300,000. Federal would like to buy at least 600 small cars, at least 500 medium cars, and at least 600 large cars. How many packages should it buy from each car maker to keep the total cost as small as possible? What will be the total cost? ?
A. 15 packages of Fred Motors, 35 packages of Admiral Motors, and 15 packages of Chrysalis, the total cost is $26,000,000 B. 35 packages of Fred Motors, 15 packages of Admiral Motors, and 35 packages of Chrysalis, the total cost is $34,000,000 C. 35 packages of Fred Motors, 35 packages of Admiral Motors, and 15 packages of Chrysalis, the total cost is $36,000,000 D. 15 packages of Fred Motors, 35 packages of Admiral Motors, and 35 packages of Chrysalis, the total cost is $32,000,000 E. 15 packages of Fred Motors, 15 packages of Admiral Motors, and 35 packages of Chrysalis, the total cost is $24,000,000