12th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-12

  • question_answer
    The image of the interval [1, 3] under the mapping \[f:R\to R,\] given by \[f\left( x \right)\text{=}2{{x}^{3}}-24x+107,\] is_______.

    A)  [0, 89]             

    B)  [75, 89]

    C)  [0, 75]             

    D)  [85, 89]

    E)  None of these

    Correct Answer: B

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