JEE Main & Advanced Mathematics Applications of Derivatives Question Bank Self Evaluation Test - Application of Derivatives

  • question_answer
    If f and g are two increasing functions such that fog is defined, then which one of the following is correct?

    A) Fog is always an increasing function

    B) Fog is always a decreasing function

    C) Fog is neither an increasing nor a decreasing function

    D) None of the above

    Correct Answer: A

    Solution :

    [a] Product of two increasing function is always an increasing function. \[\therefore \] fog is always an increasing function


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