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I would like to know step by step how to solve this problem.

I would like to know step by step how to solve this problem.-example-1
User Phillc
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1 Answer

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Answer:


\sf{}\\Solution:\\f(x)=x-7,\\g(x)=x^2\\Now,\\gof(x)=g\{f(x)\}=g(x-7)^2\\\therefore\ gof(x)=(x-7)^2


\sf\\\therefore\ g(f(4))=gof(4)=(4-7)^2=(-3)^2=9

User MultiColourPixel
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