Find the exact value of the expression or state that it does not exist.tan(cos-1 1)

A. 0
B.  
C.
D. -1

Answer: A

Mathematics

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Match the given equation with one of the graphs.y2 - 4x2 = 4

A.

B.

C.

D.

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Find the absolute value.

A. ± 21 B. 0 C. -21 D. 21

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Write interval notation.{x? x < 5}

A. (5, ?) B. [5, ?) C. (-?, 5) D. (-?, 5]

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Use the graph of the rational function f(x) to complete the statement.As x?-2-, f(x)? . 

A. -? B. 0 C. +? D. 2

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