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