What is the domain of the relation shown below ( 4-,-2)

The domain of a relation is the set of input values, the relation can take

The domain of the relation is {0,1,4}

The ordered pair of the relation is given as:

( 4,2),(1,1),(0,0),(1,-1),(4,-2)

Rewrite as:

(x,y) = ( 4,2),(1,1),(0,0),(1,-1),(4,-2)

Remove the y values

x, = { 4,1,0,1,4}

Remove repetitions

x, = {0,1,4}

Hence, the domain of the relation is {0,1,4}

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