3.8 Modelling with Series
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A high-tech vertical farming project identifies that:

  • In year 1, the total crop yield was 1800 metric tons.
  • In year 10, the predicted total crop yield is 9500 metric tons.

Model PPP assumes that the annual crop yield will increase by a constant amount each year.

a.

Using model PPP, find the predicted crop yield in year 5. Give your answer to the nearest 10 metric tons.

[3]
b.

Model QQQ assumes that the annual crop yield will increase by a constant percentage each year.

Using model QQQ, find the predicted crop yield in year 2. Give your answer to the nearest 10 metric tons.

[3]
c.

Calculate, according to the two models, the difference between the total predicted crop yield produced from year 1 to year 10 inclusive. Give your answer to the nearest 10 metric tons.

[4]

3.8 Modelling with Series Questions

Practise Edexcel A Level Maths 3.8 Modelling with Series with exam-style questions for A Level Maths. 24 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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3.8 Modelling with Series Questions

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