Question

Is the relation a function?

a) {(2,-8), (3,-8), (0,7), (5,5), (-4,1), (7,-4)}

b) {(7,-33), (8,48), (8,19), (-4,1), (8,48), (3, -19)}

c) {(1,-2), (8,-6), (9,6), (-2,-1), (2,-2), (7,-6)

Yes or No answers please! Thanks

Answer 1

1 to 1: a function
1 to many : not a function
many to 1: a function
many to many: not a function
No, I'm not going to give you the answers, because this is obviously homework/ a test. But, I have given you the gist that is required to solve these three problems.

Answer 2

a @ c are function as both are one to many..

Answer 3

What is the definition of a function?

Answer 4

@yeeyon90 Don't give the answers...we know you can solve the problem. thats not the point - _ -

Answer 5

Giving the answer to this question is the worst, because these are questions where the rule can be remembered in about 20 seconds. -.-