Find the maximum or minimum value of y = 3x² + 7x + 9 by completing the squares state the value of x at which the function is maximum or min

Question

Find the maximum or minimum value of y = 3x² + 7x + 9 by completing the squares state the value of x at which the function is maximum or minimum.​

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Thu Hương 5 years 2021-08-18T21:14:45+00:00 1 Answers 18 views 0

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  1. RuslanHeatt
    0
    2021-08-18T21:16:22+00:00
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    Answer:

    The minimum is 59/12

    Step-by-step explanation:

    you should calculate the -b/2a = -7/6

    you should put -7/6 in the x variable

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )