Give the amplitude or period as requested.Period of y = -2 cos 
x
A. 6?
B. 
C. -2
D. 
Answer: A
Mathematics
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Find the limit.
(ln x)4/x
A. 4 B. 0 C. e4 D. 1
Mathematics
Write the set in set-builder notation.{-1, 0, 1, 2, 3}
A. {x 
is an integer greater than -2}
B. {x 
is an integer greater than -1 and less than 3}
C. {x 
is a natural number greater than -2 and less than 4}
D. {x 
is an integer greater than -2 and less than 4}
Mathematics
Write an equation for the ellipse.center at origin; length of major axis 16; y-intercepts (0, ±5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the problem.The floor of a rectangular room is to be tiled with 
foot square tiles along a 
wall. How many tiles will be needed along the wall?
A. 2
tiles
B. 21
tiles
C. 24 tiles
D. 22
tiles
Mathematics