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Algebra

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Given f(x) = radical x-2 and g(x) = x2 – x – 6. Find (g o f)(6).
A. -4
B. 2
C. 24
D. 26
E. 48

  • Algebra - ,

    g(f) = f^2 - f - 6
    = (x-2) - √(x-2) - 6

    g(f(6)) = 4 - 2 - 6 = -4

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