Find the limit, if it exists.(x2 - 16 + )

A. -10
B. Does not exist
C. 4
D. -4


Answer: A

Mathematics

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Simplify the given expression. Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.2 cos2 4x - 1

A.  sin 16x
B. 2 sin 4x
C. cos 8x
D. cos 4x

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Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.log38 - log37

A. log3
B. log31 
C. log6
D. log3

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Factor completely.4m2 - 

A.  
B. 2
C. Prime
D. 2

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Translate using numbers and symbols.The quotient of forty-eight and three

A. 3 - 48 B. 48 - 3 C. 48 ÷ 3 D. 3 ÷ 48

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