Gce Model Questions Vol1 2021 Geography Question 30
Practice objective / multiple choice question 30 from the 2021 Gce Model Questions Vol1 Geography examination.
A farmer's crop yield per hectare (tonnes ha\(^{-1}\)) depends on the amount of nitrogen fertilizer applied, \(x\) kg ha\(^{-1}\), according to the relation \(Y = 2 + 0.04x - 0.0001x^{2}\). Fertilizer costs £0.5 per kg, the crop sells for £150 per tonne, and fixed costs are £200 per hectare. What amount of fertilizer (kg ha\(^{-1}\)) maximises profit? (Give the nearest whole kilogram.)
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About This Question
This is Gce Model Questions Vol1 2021 Geography Question 30. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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