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math

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Find the indicated outputs for f(x) = 2x²-4x
f(0)= ____?
f(-1) =____?
f(2) =____?

  • math -

    f(0) = 2(0)^2 - 4(0)
    = 0*0
    = 0

    f(-1) = 2(-1)^2 - 4(-1)
    = 2(1) + 4
    = 2 + 4
    = 6

    now you try f(2) the same way.

  • math -

    Reiny
    I'm still lost
    i only got so far.
    f(2)=2(2)^2-4(2)
    =2(2) from their on i'm lost please help

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