algebra1

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I am confused the question says: Find f(-2) given that f(x)=4x^2-2x-25....please help...

  • algebra1 -

    Plug in -2 where the x is in f(x), and do the numbers.
    f(-2) = 4*(-2)^2 -2*(-2) - 25
    = 16 +4 -25 = -5

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