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3 January, 06:04

If f (x + 2) = f (x) + f (2) then prove that: f (0) = 0 and f (-2) = - f (2)

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  1. 3 January, 08:00
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    f (0) = 0,

    f (-2) = -f (2)

    Step-by-step explanation:

    f (x+2) = f (x) + f (2)

    1. x=0

    f (0+2) = f (0) + f (2)

    f (2) = f (0) + f (2)

    f (0) = f (2) - f (2) = 0

    f (0) = 0

    2. x=-2

    f (-2+2) = f (-2) + f (2)

    f (0) = f (-2) + f (2)

    f (0) = 0, f (-2) + f (2) = 0

    f (-2) = -f (2)
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