Math Algebra

posted by katie

f(x)=x^3+4 f=1, f=-1
Are the answer to this 5 and 3
I must not understand

  1. Karine (:


    (1)^3=1 because 1X1X1=1
    so f(1)=5

    because -1x-1x-1=1x-1=-1
    so f(-1)=3

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