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12 March, 18:12

What is the range of the function 2x + y = 7

if the domain is {-4, - 2,0, 5, 7) ?

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Answers (1)
  1. 12 March, 18:23
    0
    Answer| range: {15, 11, 7, - 3, - 7}

    Step-by-step explanation:

    Plug in the domain to find the range:

    x = 4

    2 (-4) + y = 7

    -8 + y = 7

    y = 15

    x = - 2

    2 (-2) + y = 7

    -4 + y = 7

    y = 11

    x = 0

    2 (0) + y = 7

    0 + y = 7

    y = 7

    x = 5

    2 (5) + y = 7

    10 + y = 7

    y = - 3

    x = 7

    2 (7) + y = 7

    14 + y = 7

    y = - 7
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