Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The graphs of the first and second derivatives of a function y = f(x) are given. Select a possible graph of f that passes through the point P. (NOTE: Vertical scales may vary from graph to graph.)f'f''
?
A. 
B. 
C. 
D. 
Mathematics
Verify the identity.cot2 
= 
What will be an ideal response?
Mathematics
Sandy wishes to have a rectangular garden in her backyard. She has 40 ft of fencing with which to enclose her garden. Letting x denote the width of the garden, find a function f in the variable x that gives the area of the garden. Select the correct answer.
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Mathematics
Simplify. Assume that all variables represent positive real numbers.
A. 16x
B. 
C. 
D. x 
Mathematics