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15 May, 22:57

For y=4x+2x2-x3 show how to find the value for y, when x=2 show work

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Answers (2)
  1. 15 May, 23:05
    0
    I got 10 for Y all I did was plug it in and the add and subtract.
  2. 15 May, 23:23
    0
    y = 4x + 2x² - x³

    When x = 2,

    y = 4 (2) + 2 (2) ² - (2) ³

    y = 8 + 2 (4) - 8

    y = 8 + 8 - 8

    y = 16 - 8

    y = 8

    Thus, the value of y is 8.
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