Question

3. Which of the following relation is a function?
(a) {(a, b)(b, e) (c, e) (6,x)}
(b) {(a, d) (a,m) (b, e)(a, b)}
(c) {(a, d) (b, e) (c,d) (e,x)}
(d) {(a, d) (b, m) (b,y)(d, x)}​

Answer 1

Answer:

No (a) and (c) are function.

Answer 2

Answer:

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