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18 October, 23:54

1. If f (x) = - 3x+8, find f (5).

+5
Answers (2)
  1. 19 October, 00:39
    0
    Replace x for 5

    Then,

    F (5) = - 3 (5) + 8

    F (5) = - 15 + 8

    F (5) = - 7
  2. 19 October, 02:35
    0
    For every x, replace it with 5

    So the equation would become ...

    f (5) = - 3 (5) + 8

    Then you would solve from there
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