Answer the question.What is the domain and range for y = 2x?
A. Domain is all x ? 0 and range is all y ? 0.
B. None of these is correct.
C. Domain is all x > 0 and range is all y > 0.
D. Domain is all x ? 0 and range is all y > 0.
Answer: B
Mathematics
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B. 
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