Factor completely.49p2q2 + 28pq + 4
A. (7p + 2q)2
B. (7pq + 2)2
C. (7pq - 2)2
D. (7pq + 2)(7pq - 2)
Answer: B
Mathematics
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A. 2 B. 1 C. 7 D. 3
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At what points is the given function continuous?f(x, y, z) = yz cos 
A. All (x, y, z) such that x ? 0
B. All (x, y, z) such that x ? 
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? 2?
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Round to the nearest tenth, if necessary.
A. 230% B. 43.5% C. 4.3% D. 18.9%
Mathematics