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FIND f(g(x)) and g(f(x)) and determine wether the pair of functions f and g are inverses of each other?
f(x)=6/x-2 and g(x)=6/x+2
A. f(g(x))=
1 Answer
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- Pi R SquaredLv 78 years ago
Hi,
f(x)=6/x-2 and g(x)=6/x+2
A. f(g(x))= 6/((6/x+2) - 2)
. . . . . . . 6
f(g(x)) = ------- = 1/(1/x) = x
. . . . . . .(6/x)
Since f(g(x)) = x then they are inverses. <==ANSWER
I hope that helps!! :-)
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