Question

9. Is the relation shown in the table a

function?
х
1
4
5
10
y
2
-1
-6
-1

Answer 1

obvious answer, no

Explanation:

specific and scientific answer:

the first input 1 equals 2, which could mean both +1 or times 2

but when there is input of 4 and an out-put of -1, it starts to not make sense

basically the first input is always going to be your control group for science experiments or the one that stays the same and judges