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Find the absoloute extremum of f(x) = 4x...

Find the absoloute extremum of `f(x) = 4x - (x^(2))/(2)` on `[-2, (9)/(2)]`.

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The correct Answer is:
Absolute maximum = `8`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-APPLICATION OF DERIVATIVES-Exercise-10(h)
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