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4 November, 08:43

Find f (-5) if f (x) = Ix+1I

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Answers (2)
  1. 4 November, 09:09
    0
    substitute x for - 5

    f (-5) = |-5+1|

    f (-5) = |-4|

    however, absolute value is the distance from 0 and so is always positive since you cannot have negative distance.

    so f (-5) = 4
  2. 4 November, 09:36
    0
    x = 4

    Step-by-step explanation:

    f (x) = I x+1 I

    when x = - 5

    f (-5) = I (-5) + 1 I

    = I - 5+1 I

    = |-4|

    = 4
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