dsouvenirk dsouvenirk

21-08-2018
Mathematics

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Will give brainliest!!!!!!!!!!!!!
Find f(x) and g(x) so the function can be expressed as y = f(g(x)).
Y=[tex] \frac{2}{x^{2}} [/tex]+3

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Аноним Аноним

21-08-2018

y=2/x² +3

let's find f and g y=f(g(x))=2/x² +3, y-3= 2/x² , so f^-1(y)= y-3= 2/x² = g(x) so g(x) =2/x² but y = 2/x² +3, so y= g(x)+3= f(g(x)), consequently, f(x) = x+3 finally f(x) = x+3, and g(x)=2/

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