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14 April, 04:59

If ƒ (x) = ⎡x⎤ - 4; find ƒ (-3.2)

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  1. 14 April, 08:47
    0
    f (-3.2) = -.8

    Step-by-step explanation:

    f (x) = |x| - 4

    Let x = - 3.2

    f (-3.2) = |-3.2| - 4

    Absolute value means take the positive number

    f (-3.2) = 3.2-4

    f (-3.2) = -.8
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