1. f(8)=x2−4x Evaluate show work please

2. F(-2)=3/2x-4 Evaluate show work please

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  1. Please help

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  2. what you mean is
    f(x) = x^2 - 4x
    f(8) = 8^2 - 4*8 = 32

    do the other in like wise

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