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CAIE IGCSE Additional Math 1.8 sketch functions and inverses

Use this sketching page to draw inverse graphs, identify their relationship with y=f(x), and solve intersections such as f(x)=x.

Syllabus
2028–2030
Course
Additional Mathematics 0606

Exam points

  • Sketch y=f⁻¹(x) by reflecting the graph of y=f(x) in the line y=x accurately.
  • Describe the relationship between a function graph and its inverse graph.
  • Solve f(x)=x by locating intersections between a function and its inverse relationship.

1.8. Sketch functions and inverses question 1

[Maximum number: 1]

Describe the relationship between the graph of f(x) and the graph of f−1(x)f^{-1}(x).

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