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← 4.1 Functions

Relations and mappings

Mathematics · Grade 11 · about 40 minutes

Classify a relation as one-to-one, many-to-one, one-to-many or many-to-many, and keep only the mappings that give each input one output.

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  • 8 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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Other lessons in this sub-strand

  1. Relations and mappings
  2. Function notation and values
  3. Domain and range
  4. Polynomials and rational functions
  5. Inverse of a linear function
  6. A restricted inverse, and trig ratios
  7. Limits of polynomials
  8. Functions in a fare, a tank and a shamba