Answer:
[tex]-4[/tex]
Step-by-step explanation:
When you find function with a number given. You must pinpoint where that specific number given is pin pointed.
Then you look for the y axis or x axis visa versa (In this case we are looking for y)
If you look for 8 on the x axis, you would see that it is in the negatives, -4 to be exact on the y axis.
