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F(x)=square root of x+7 g(x)=8x-11

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You do g first then replace the x in f(x) with the whole thing:
√[(8x - 11) + 7] = √(8x - 4) = √[4(2x - 1)] - √4√(2x - 1) = 2√(2x - 1)

User Rachit Mishra
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