If x dy = y dx + y2 dy, y > 0 and y (1) = 1, then what is y (-3) equal to?

If x dy = y dx + y2 dy, y > 0 and y (1) = 1, then what is y (-3) equal

1.	If x dy = y dx + y2 dy, y > 0 and y (1) = 1, then what is y (-3) equal to?
A.	3 only
B.	-1 only
C.	Both -1 and 3
D.	Neither -1 nor 3
Answer» B. -1 only

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