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 with your weekly-lesson access code.
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
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