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. 
+
Mathematics
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
Mathematics
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, ?)
Mathematics
Rationalize the denominator.
A. 
B. 133
C. 
D. 12
Mathematics