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9 May, 00:42

Which function is a quadratic function? a. y - 3x2 = 3 (x2 5) 1 b. y2 - 7x = 2 (x2 6) 7 c. y - 2x2 = 6 (x3 5) - 4 d. y - 5x = 4 (x 5) 9

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  1. 9 May, 00:59
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    For option a,

    y - 3x^2 = 3 (x^2 + 5) + 1

    y = 3x^2 + 3x^2 + 15 + 1

    y = 6x^2 + 16

    Option a is a quadratic function.
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