Find the domain of the rational function.f(x) = 
A. domain of f: (-?, ?)
B. domain of f: (-?, 2) ? (2, ?)
C. domain of f: (-?, 0) ? (0, ?)
D. domain of f: (-?, -2) ? (-2, ?)
Answer: B
Mathematics
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What will be an ideal response?
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A. 
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A. fx(x, y) = y ln (7x + 7y)
B. fx(x, y) = 
C. fx(x, y) = 
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