At a glance
3
Occurrences
questions
3
Years
3
Papers
3
Worked
100%
When this method shows up
Years in which at least one question on this paper triggers the method.
Other top methods in Functions & Curve Sketching
- Count roots by sketching one side and sweeping a horizontal or moving line across it×7
- Piecewise case-split at switch points for floor, modulus, and Min functions×5
- Exploit a built-in symmetry of the function to pin turning points and fold the sketch×4
- Prove a sign or inequality by anchoring at a point and reading the sign of the derivative×3
- Use a sketch as the actual proof of an inequality×3
See the worked examples
Open this method in the 3-panel methods app to see the demonstration, every linked past-paper question, and how to attack it.
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