Question 16 — IGCSE 0580 Oct/Nov 2025 Paper 31
Cambridge IGCSE Mathematics 0580, Core tier, calculator. Topic: Functions and Graphs · Graphs of functions. Worth 5 marks.
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Question text
16 Bob travels from town A to town B.
The travel graph shows his journey.
600
500
400
Distance
from
town A
(km)
300
200
100
0
08 00 09 00 10 00 11 00 12 00 13 00 14 00 15 00
Time
(a) Between which two times did Bob stop for a rest?
Explain how you know .
................ and ................ because .....................................................................................................
..................................................................................................................................................... [2]
(b) Calculate Bob’s average speed, in km/h, for the whole journey.
........................................ km/h [3]
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