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[" If "f:[1,oo)rarr[2,oo)" is given by "...

[" If "f:[1,oo)rarr[2,oo)" is given by "f(x)=x+(1)/(x)" then "f^(-1)(x)=],[[" 1) "(x+-sqrt(x^(2)-3))/(4)," 2) "(x+-sqrt(x^(2)-4))/(2)," 3) "(x+sqrt(x^(2)-4))/(2)," 4) "(x-sqrt(x^(2)))/(2)]]

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