Determine whether the relation is a function.
A. Function
B. Not a function
Answer: A
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Solve the problem.A bird flies from its nest 6 km in the direction 23° north of east, where it stops to rest on a tree. It then flies 9 km in the direction 30° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the tree located?
A. (5.523, 2.344) B. (-3.197, -5.077) C. (2.344, 5.523) D. (0.9205, 0.3907)
Solve.A fish tank holds 6.0 liters of water. How many gallons does the tank hold, to the nearest tenth?
A. 6.4 gal B. 1.6 gal C. 5.7 gal D. 22.7 gal
A pair of honest dice is rolled, and the number on each die is noted.What is the probability of rolling a total of 2?
A. 
B. 
C. 
D. 
E. none of these
Determine the phase shift of the function.y = -4 sin 
A. -4 units down
B. -4 units up
C. 
units to the right
D. 
units to the left