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A function f(x) passes through the origin and its first derivative is 3x + 2....

Mathematics
JAMB 2000

A function f(x) passes through the origin and its first derivative is 3x + 2. What is f(x)?
  • A. y = (3x2/)2 + 2x
  • B. y = (3x2)/2 + x
  • C. y = 3x2 + (x/2)
  • D. y = 3x2 +2x
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Correct Answer: Option A
Explanation
Hints:
1. Integrate the given first derivative of f(x) at the boundaries, (0,0)

Then solve accordingly to get f(x) = y = (3x2/)2 + 2x

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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789