Question

Help?






Picture below....

Answer 1

This one too

Answer 2

Well, @alyssajobug , I see right away that we're dealing with INTEGER values of x ONLY.
"R" represents "real numbers," which certainly include fractions, and thus answers involving R must be eliminated. That eliminates answers A and B. I do not know for certain, but do guess that "W" represents "integers."
If I'm right, then which answer, C or D, do you think is the correct one?

Answer 3

R = Real
Q = Rational
Z = Interger
W = Whole

@mathmale

Answer 4

Thanks for the reminder!
A question for you: does WHOLE mean the same thing as INTEGER? At first glance, I believe so.

Answer 5

If not, could you provide a counter-example?

Answer 6

Whole are POSITIVE intergers @mathmale