Mathematics
JAMB 2000
A function f(x) passes through the origin and its first derivative is 3x + 2. What is f(x)?
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A.
y = (3x2/)2 + 2x
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B.
y = (3x2)/2 + x
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C.
y = 3x2 + (x/2)
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D.
y = 3x2 +2x
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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