0606.1.5: Explain in words why a given function does not have an inverse: past paper questions
Real questions on 0606.1.5: explain in words why a given function does not have an inverse
The newest 6 of 6 written questions. Open one to see it on the real paper.
- 0606/22 · May/June 2026 · Q8c(i)[1]
1-mark “Explain” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · May/June 2026 · Q8c(ii)[1]
1-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · May/June 2026 · Q8c(iii)[2]
2-mark “Find” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/23 · May/June 2025 · Q4a[1]
1-mark “Explain” question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/22 · May/June 2024 · Q10a[1]
1-mark question — its maths and diagrams are best seen on the paper.
See it on the paper → - 0606/12 · May/June 2020 · Q5b[1]
1-mark “Explain” question — its maths and diagrams are best seen on the paper.
See it on the paper →
What examiners said
In this question, candidates needed to explain why the function f 2 could be formed by stating that the range of f was the same as its domain, or the equivalent. Very few candidates were able to offer an acceptable explanation. A few candidates offered incomplete explanations, such as ‘The domain is the set of real numbers’. Some candidates simply found, or attempted to find, an expression for f 2...
— Examiner report, May/June 2025, 0606/23 Q4(a) (Cambridge)
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