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f(x) = x-1
g(x) = x² + 2x - 3
GoF(x) =
f(x) = x-1
g(x) = x² + 2x - 3
GoF(x) =
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Verified answer
F(x) = x - 1g(x) = x² + 2x - 3
(gof)(x)
= (x - 1)² + 2(x - 1) - 3
= x² - 2x + 1 + 2x - 2 - 3
= x² - 4
=(x-1)(x-1)+2x-2-3
=x²-x-x+1+2x-2-3
=x²-2x+2x+1-2-3
=x²-4