Determining if a Relation is a Function
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30, included free with your weekly lessons.
Sample: the first question, solved
Does {(1,2),(2,3),(3,4)} represent a function?
📘 Worked solution
✓Yes - each x maps to exactly one y.
And one from the hard end
"For (a) y=3x−1, (b) x²+y²=16, (c) y²=x, (d) y=|x|, determine which represent functions of x."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
Your Winny Score tracks you as the questions ramp up. Stuck on one? A real Winny Math tutor will walk you through it. First lesson free.
Start practicing