The following set of problems tinkers, kindles some basic mathematical concepts as well as algebraic manipulations, so I suggest you try them out:
Try to decide by yourself which set of points are defined by these relations:
(a)
(b)
(c)
(d) .
Note: The symbol denotes the whole part of the number x, that is, the largest whole number not exceeding x. For example,
,
,
.
(e)
(f) .
Good luck.
Nalin Pithwa.