Which function contains this set of ordered pairs?

Question

{(–2, –7), (0, 1), ( 3, –17)}

Answer 1

Reiny responded to this earlier, at

http://www.jiskha.com/display.cgi?id=1464879381

If you want to pin it down more, there must be some other constraints.

Answer 2

And here I was under the impression that I had answered this for you.
http://www.jiskha.com/display.cgi?id=1464879381

Where you actually given some functions that you did not post?