Factor the polynomial completely.x2 + 4xy - 21y2
A. (x - 7y)(x + y)
B. (x - y)(x + 3y)
C. (x - 7y)(x + 3y)
D. (x + 7y)(x - 3y)
Answer: D
Mathematics
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A. 
ln 
+ C
B. 
tan-1 
+ C
C. 
ln 
+ C
D. 2
+ 2
tan-1 
+ C
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Determine whether or not the first number is divisible by the second number394,091; 4
A. No B. Yes
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Use all applicable terms to classify the given number (Natural, Whole, Integer, Rational, Irrational).0
What will be an ideal response?
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Find the largest open interval where the function is changing as requested.Increasing f(x) = 
A. (-?, 1) B. (0, ?) C. (1, ?) D. (-?, 0)
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