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A trader realizes 10x - x\(^2\) naira profit from the sale of x bags on corn. How many ...

A trader realizes 10x - x\(^2\) naira profit from the sale of x bags on corn. How many bags will give him the desired profit?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 4
  • B 5
  • C 6
  • D 7
Correct Answer: Option B
Explanation:
y = 10x - x\(^2\)
dy/dx = 10 - 2x
As dy/dx = 0,
10 - 2x = 0
2x = 10
x = 5

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