Yes.
-1,0,1
you are always moving. always positive
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No. An absolute value will always be positive, as it is a measurement of distance from zero on a number line.* * * * *Pedantically, not quite! It will always be non-negative: it can be 0.
No. Not is x = 0 or if it an imaginary number.
I don't know but I think it is always 0 or under
No. A whole number is either 0 or a positive integer.