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Examine each of the following relations given below and state in each case, giving reasons whether it is a function or not?(i) `R= {(2, 1), (3,1), (4,2)}`, (ii) `R= {(2, 2), (2, 4), (3,3), (4,4)}`(iii) `R= {(1, 2

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The correct Answer is:
(i) It is a function , Domain ={2,3,4}, Range={1,2}.
It is not a function.
(iii) It is not a function, Domain={1,2,3,4,5,6}, Range ={2,3,4,5,6,7}.
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NAGEEN PRAKASHAN ENGLISH-RELATIONS AND FUNCTIONS-Exercise 2C
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