IGCSE 0580 Question Bank

Question 20 — IGCSE 0580 Oct/Nov 2025 Paper 22

Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Functions and Graphs · Graphs of functions. Worth 11 marks.

Functions and GraphsGraphs of functions11 marksExtendedNon-calculatorPaper 22Oct/Nov 2025
Open in interactive question bank →IGCSE Mathematics 0580 Oct/Nov 2025 Paper 22 Question 20 – Functions and Graphs, Graphs of functions, 11 marks

Question text

20 f(x) = 21 , x ! 1 g(x) = 3x+4 2x-1 2 (a) Find (i) g(2) ................................................. [1] (ii) gf(-1) ................................................. [2] (iii) f-1(x). f-1(x) = ................................................ [3] (b) Solve f(x) = g(x). x = .................. or x = .................. [5] (cid:300)(cid:211)(cid:266)(cid:174)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:223)(cid:250)(cid:183)(cid:256)(cid:215) [Turn over © UCLES 2025 (cid:300)(cid:260)(cid:173)(cid:251)(cid:215)(cid:288)(cid:284)(cid:247)(cid:214)(cid:262)(cid:257)(cid:173)(cid:224)(cid:181)(cid:261)(cid:202)(cid:241)(cid:258) 0580/22/O/N/25 (cid:293)(cid:181)(cid:197)(cid:277)(cid:245)(cid:245)(cid:293)(cid:181)(cid:213)(cid:277)(cid:293)(cid:197)(cid:197)(cid:245)(cid:261)(cid:213)(cid:293)(cid:213) SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD * 0000800000014 * 14 (cid:44)(cid:1)(cid:1)(cid:1)(cid:1)(cid:9)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:2)(cid:5)(cid:44) NIGRAM DFD

Mark scheme

Mark scheme for IGCSE 0580 Oct/Nov 2025 Paper 22 Question 20

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