Advanced Functions (MHF4U) · Rational Functions

Graphing Rational Functions (Including Holes)

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.

Start the 30 questions Curriculum: MHF4U-RF.3

Sample: the first question, solved

Describe the graph of f(x)=1/(x+3) near its vertical asymptote (x=−3).

📘 Worked solution
As x→−3⁺, f(x)→+∞; as x→−3⁻, f(x)→−∞ - two separate branches, matching the pattern of 1/x shifted left.

And one from the hard end

"For f(x)=(x²−x−6)/(x−3), simplify, identify any holes, find remaining intercepts, and describe the graph."

Solution shown after you try it in practice mode.

Work through all 30, easiest to hardest

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