The QUESTION is not well presented
Name the sets of numbers to which the given number belongs.

N represents Natural Numbers
W represents Whole Numbers
Z represents Integers
QR represents Rational Numbers
IR represents Irrational Numbers
Answer:
a. N, W, Z, QR
Explanation:
Given

Required
Select the set of number belongs to;
First, the expression needs to be evaluated


Comparing the result of the expression to the given categories;
is a natural number
is a whole number
is an integer
is rational because it can be expressed as ratios
Since
is rational, it can't be irrational;
Hence, the correct option is A.