(7, 11)
(3, 6)
(5,8)
Is this relation a function?

yes

Step-by-step explanation:

because the inputs are repeated to the same number.

Example of what im  talking about: (3,7), (4,9), (3,9) this isn't a function

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb