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F(x) = √x+7 = ; g(x) = 8x - 11 find f(g(x))

User Mark Amery
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1 Answer

5 votes

Answer:


f(g(x)) = √(8x - 4)

Explanation:


f(x) = √(x + 7) \\ \\ g(x) = 8x - 11

To find f(g(x)) substitute g(x) into f(x) that's for every x in f (x) replace it by g (x)

We have


f(g(x)) = √(8x - 11 + 7)

We have the final answer as


f(g(x)) = √(8x - 4)

Hope this helps you

User Keyslinger
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