Evaluate the expression without using a calculator.log91

A. 9
B. 0
C.
D. 1


Answer: B

Mathematics

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Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = cos2(10x)

A.  +
B.  +
C.  +
D.  +

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Solve the problem.How many different three-digit numbers can be written using digits from the set  without any repeating digits?

A. 20 B. 120 C. 10 D. 60

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By graphing the function, visually estimate its domain and range.f(x) = 

A. Domain: (-?, -1] ? [1, ?); range: [0, ?) B. Domain: (-?, ?); range: [0, ?) C. Domain: (-?, -1] ? [1, ?); range: (-?, ?) D. Domain: [-1, 1]; range: [0, ?)

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Rationalize the denominator.

A.  
B. 133
C.  
D. 12 

Mathematics