Is it a function and whats the domain and range?
Picture below

This is not a function

The domain is 3,6,-7,6,-3

The range is -6,-4,5,1,2

Step-by-step explanation:

This is not a function because the x value 6 is on the x list twice which means that a x value touches the y value twice so this is not a function

Hoped this helped :)

Mark me as brainllest thx

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

plz mark brainliest i took the test