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Mathematics, 04.09.2020 02:01 bethanymorris155

If f(x) = x^2-9 , what is f(f(x))
x^2-9
x^4-18x^2+72
x^3-18+72
x+3

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If f(x) = x^2-9 , what is f(f(x))
x^2-9
x^4-18x^2+72
x^3-18+72
x+3...

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