1.

Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (i) {(2,1),(5,1),(8,1),(11,1),(14,1),(17,1)} (ii) {(2,1),(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)} (iii) {(1,3),(1,5),(2,5)}

Answer»


ANSWER :(i) yes DOMAIN ={2,5,8,11,14,17}, Range ={1}
(ii) yes, Domain ={2,4,6,8,12,14}, Range ={1,2,3,4,5,6,7}
(iii) No.


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