Neco 2025 Mathematics Question 11

Practice essay / theory question 11 from the 2025 Neco Mathematics examination. This question covers Graphs, Interpretation of data, Linear relationships .

Neco 2025 Mathematics Essay / Theory
Topics: Graphs Interpretation of data Linear relationships
Question 11 NECO • 2025 • MATHEMATICS • essay
Neco 2025 Mathematics Question 11 diagram

The graph below shows the monthly revenue (in thousands of naira) of a small business over a six‑month period.

Question Parts

( a )
Using the graph, determine the average rate of increase in revenue per month between month 2 and month 5.
( b )
Assuming the revenue continues to increase at the same average rate found in part (a), estimate in which month the revenue will reach \(\displaystyle \text{₦}25{,}000\).
( c )
Comment on whether a linear model is appropriate for the whole six‑month period based on the graph.

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About This Question

This is Neco 2025 Mathematics Question 11. It is one of the essay questions from the 2025 Neco Mathematics examination.

The question covers Graphs, Interpretation of data, Linear relationships .

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