If F(x)=x-5 and G(x)=x^2, what is F(F(x))?
2 answers:
D because (x-5)*x^2 I really hope this helps
Hello there! Given F(x)=x-5 and G(x)=x^2 you want to find F(F(x)). In order to do this, you don't need to know what G(x) is. Just put F into F... F(x)=x-5 F(x-5)=x-5-5 F(F(x))=x-10 This is the question that you asked, but the photo makes it look like they want you to do G(F(x)) so I will do that one too. G(x)=x^2 G(x-5)=(x-5)^2 THEREFORE... G(F(x))=(x-5)^2 A is the answer! EXPLANATION: Remember that a function is like a machine. F(x) is a machine and G(x) is also a machine. Plugging F into G is basically taking the output of the F machine and putting it into the G machine. I really hope this helps! If you need a more detailed explanation, feel free to message me. BEST WISHES:)
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