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Find (fog)(2)
f(x)=Squareroot 4-x; g(x)=1-3x^2

Find (gof)(-2) for the same problem.

  • Math -

    (fog)2 = f(f(2))
    g(2) = 1 - 12 = -11
    f(g(2) = f(-11) = √(4 -(-11)) = √15

    do the second one in the same way

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