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7 February, 09:19

A function has the function rule y = x - 7. If the input is 4 what is output

A. 3

B. - 3

C. 11

D. - 11

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Answers (1)
  1. 7 February, 09:44
    0
    B. - 3

    Step-by-step explanation:

    y = x - 7

    input → x

    output → y

    Substitute x = 4:

    y = 4 - 7 = - 3
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