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9 May, 09:56

Is y=-4+3x^2 maximum of minimum

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  1. 9 May, 11:34
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    minimum

    Step-by-step explanation:

    Given a quadratic in standard form : y = ax² + bx + c : a ≠ 0

    Whether the function is maximum or minimum can be determined by consideration of the sign of the coefficient a

    • If a > 0 then minimum

    • If a < 0 then maximum

    For y = - 4 + 3x² the value of a is 3 > 0

    Hence y = - 4 + 3x² is a minimum
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