Multiple Choice Questions on Given function f x 10 6x 2x2 find the intervals in which function is increasing and decreasing ........ for NDA Exam Preparation

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Multiple Choice Questions

Given function f x 10 6x 2x2 find the intervals in which function is increasing and decreasing ........

Mathematics (NDA) Diffrentiation
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    Given function f(x)=10-6x -2x2 ,find the intervals in which function is increasing and decreasing?

    increasing (+∞,3/2)

    Incorrect Answer

    decreasing interval (-∞,+∞)

    Incorrect Answer

    strictly decreasing (-3/2,+∞)

    Correct Answer

    None of these

    Incorrect Answer
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    Explanation:

    f(x)=10-6x -2x2

    f’(x)=-6 -4x

    -6-4x =0

    X=  -3/2

    Interval ()

    F(x) >0

    Function is decreasing

    By: bhavesh kumar singh
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