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.

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