Question

Is the following correspondence a function
will show attachment of question just write on my post

Answer 1

yes or no ?

Answer 2

if its a function \(a=b\) implies \(f(a) = f(b)\)

Answer 3

so yes?

Answer 4

you CANT have an element that maps to more than one element.

Answer 5

does that happen?

Answer 6

A function can't map twice.

Answer 7

so no?

Answer 8

we are not going to give you the answer

Answer 9

look at the picture

is there an element on the left that points to more than one element on the right?

Answer 10

i have no as an answer i just want to know if its correct

Answer 11

why no?

Answer 12

If you have an appropriate mathematics textbook it should cover this.

Answer 13

i dont think it gets much easier than

1) look at the picture

2)is there an element on the left that points to more than one element on the right?

3) if yes then its not a function, if no then it is.