Graphing the coordinates (-5, f(5))?

x would be -5 I thought the coordinate would be (-5, 5) but it says it wrongs. Then I just went to x=-5 and went to any point the line had for x=-5 and it was still wrong. What is f(5) in the coordinate? I don't know how to figure it out without them giving me an equation like f(x)= blah blah Help please. show more x would be -5
I thought the coordinate would be (-5, 5) but it says it wrongs. Then I just went to x=-5 and went to any point the line had for x=-5 and it was still wrong.

What is f(5) in the coordinate? I don't know how to figure it out without them giving me an equation like f(x)= blah blah

Help please.
Update: Also, what do you do if its (-5, -f(5))
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