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Mathematics 79 Online
OpenStudy (belban):

Is This Correct? A. Use composition to prove whether or not the functions are inverses of each other. B. Express the domain of the compositions using interval notation. My Answer: A.f(x)=1/x-4         g(x)=4x+1/x ​    f(2)=1/2-4         g(-.5)=(4*-.5)+1/-.5 ​    f(2)=1/-2           g(-.5)=-1/-.5 ​    =-.5                   =2 The functions are inverses of eachother. B. The interval notation is (-.5,2).

OpenStudy (belban):

I think I am wrong on b but I am not sure.

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