Shaffougang Shaffougang

20-02-2020
Mathematics

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38 POINTS
For which function is f(x) equal to f-1(x)?

38 POINTS For which function is fx equal to f1x class=

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maker127nate maker127nate

20-02-2020

c...to show this, interchange letters: x = (y+1)/(y-1)xy-x = y + 1xy - y) = x + 1y(x-1) = x+1y = (x+1)/(x-1) ⇐ this is f-1(x) and it's identical to f(x). Note: the equal sign is missing in the definitions of the functions c. & d

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