document.write( "Question 378069: give the expression of its inverse
\n" ); document.write( "f(x)= 2ln(x)+1 \n" ); document.write( "

Algebra.Com's Answer #268615 by robertb(5830) $\"\"$ $\"About$

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y = 2lnx + 1,
\n" ); document.write( "Interchange the places of x and y:
\n" ); document.write( "x = 2lny + 1;
\n" ); document.write( "x - 1 = 2lny,
\n" ); document.write( "(x - 1)/2 = lny;
\n" ); document.write( " $\"e%5E%28%28x-1%29%2F2%29+=+y\"$ . This is the inverse function. \n" ); document.write( "

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