Question

What is the domain of the function in this table? X Y

1 2
2 4
3 3
4 2

Answer 1

Domain ={1,2,3,4}

Range = {2,3,4}

Explanation:

Domain : It is the set of values , for which our x is defined for. In the tabular form, all the values on side of x are the Domain of the function. Hence Domain ={1,2,3,4}

Range : It is the set of values to which the function results into for the domain. In Tabular form the values which comes under the head of y are the range. Duplicate values are taken only for once. Hence

Range = {2,3,4}