Question

Is {(1,2) (3,4) (5,8) (1,4)} a function?

Answer 1

Note: If there are any duplicates or repetitions in the X-value, the relation is not a function.

Given : {(1,2),(3,4),(5,8),(1,4)}

It is not a function as I has two images i.e 2 and 4.

Therefore, the relation is not a function.

Hope this helps!

Answer 2

$\large \underline{ \underline{ \bold{ \: Answer : \: \: \: }}}$

$\to$ Not a function

$\large \underline{ \underline{ \bold{ \: Explanation : \: \: \: }}}$

$\to$ Relation = {(1,2) (3,4) (5,8) (1,4)}

Element 1 has two images i.e 2 and 4

Therefore , the given relation is not a function