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algebrall

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find f(-1) if (x)= x2 - 6x/ x plus 2 the multiple choices are -5, -5/3, 7/3, 7 which one is it

  • algebrall - ,

    Well, this is a really easy problem!
    f(-1)=f(x)=x^2-6x/x+2
    (-1)^2-6(-1)/-1+2
    1+6/1
    7/1
    which equals 7, because 7/1 is same as 7, and that is your answer...

    Hope that helped:)

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