Question

If R = {(1,2),(2,3),(3,4)} , Domain R = ……………

Answer 1

the domain of a relation R is collection of all first points

{1,2,3}

Answer 2

Answer:

The Domain of R is {1,2,3}

Step-by-step explanation:

Domain means the set of all the first element of the pairs constituting R
The domain of a function is the set which has its possible inputs, i.e., the set of input values for which the function will be defined.

For example, when we use the function notation f:R→R, we mean that the f is a function from the real numbers to the real numbers. In other words, the domain of f is the set of real number R (and its set of possible outputs or codomain is also the set of real numbers R).

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