## Exam-Style Question on Graphs## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 255. This question is similar to one that appeared on a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.

The diagram is of a container which is filled with water entering at a constant rate.

Which of the following might be the graph of height of the water in the container plotted against time?

a. b. c. d. e.

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