Find the following. Assume that letters can represent any real number.
A. x2
B. 
C. x
D. Not a real number
Answer: B
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Determine if the number is divisible by 2, 3, 4, 5, 6, 8, 9, 10, and/or 12.48,980
A. 4, 5, 10 B. 2, 4, 5, 10 C. 4, 5 D. 2, 5
Solve the problem.Find parametric equations for an object that moves along the ellipse 
+ 
= 1 with the motion described.The motion begins at (0, 2), is clockwise, and requires 4 seconds for a complete revolution.
A. x = 2 cos (
?t), y = 2 sin (
?t), 0 ? t ? 4
B. x = 2 sin (
?t), y = 2 cos (
?t), 0 ? t ? 4
C. x = 2 sin (4?t), y = 2 cos (4?t), 0 ? t ? 4
D. x = 2 sin (
?t), y = -2 cos (
?t), 0 ? t ? 4
Graph the function.y = -cos ?x
A. 
B. 
C. 
D. 
Find the domain and range of the relation.
A. Domain = {3, 4, -2}; range = 
B. Domain = {3, 4, -2, 14}; range = 
C. Domain = 
; range = {3, 4, -2}
D. Domain = {3, 4, -2, -4}; range = 