Paper 1 · Functions and Graphs
⏱ Tested in 2 exam questions since 2023
Lesson 6 of 10
Functions and Graphs 6: Surjective Functions
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- Define surjective (onto): every codomain value is used — range = codomain
- Test surjectivity with a horizontal line — at least one intersection
- Read codomain restrictions like h(x) ∈ ℝ < 2 and see how they flip the answer
Most recent exam questions
- 2025 P1 Q6(c)(i) — deferred
- 2023 P1 Q5(c)(ii)
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