Question

If A={1, 2, 3, 4,} B ={a,b,c}, then which of the following is /are functions.
1) {(1,2).(2,6).(3.c).(4.a)
2) {(1,a),(2,c),(3,c)
3) {(1, a),(2, a),(3, a),(4,a)
4)Both 1 and 3

please give full solution
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Answer 1

Answer:

hiiiiiiiiiiiiiiiiiii yashraj here

Step-by-step explanation:

Correct option is c

{(1, 3), (2, 3), (3, 3)}

In the given options only option (c) satisfies the condition of a function. Hence, option (c) is a function.

Answer 2

Answer:

$\huge\fbox\red{A}\huge\fbox\pink{N}\fbox\green{S}\huge\fbox\blue{W}\fbox\orange{E}\huge\fbox\red{R}$

3) {(1, a),(2, a),(3, a),(4,a)}