Question

R={(x,y):y=x2-1} one of the following ordered pair is belong the relation R.

Answer 1

Answer:

R={(0,5),(0,−5),(3,4),(−3,4),(3,−4),(−3,−4),(4,3),(−4,3),(4,−3),(−4,3),(5,0),(−5,0)}

R

−1

={(5,0),(−5,0),(4,3),(4,−3),(−4,3),(−4,−3),(3,4),(3,−4),(−3,4),(3,−4),(0,5),(0,−5)}

Therefore domain of R≡{0,3,−3,−4,4,−5,−5}= domain of R

−1

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