document.write( "Question 262924: How to find the inverse of one-to-one function bellow?\r
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Algebra.Com's Answer #193718 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
How to find the inverse of one-to-one function bellow?
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document.write( "f(x)=3x-5\r\n" );
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document.write( "The graph of that function is like this:\r\n" );
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document.write( "\"%22f%28x%29%22=3x-5\"\r\n" );
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document.write( "Replace \"%22f%28x%29%22\" by \"y\"\r\n" );
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document.write( "\"y=3x-5\"\r\n" );
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document.write( "Interchange x and y\r\n" );
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document.write( "\"x=3y-5\"\r\n" );
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document.write( "Solve for y\r\n" );
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document.write( "\"3y-5=x\"\r\n" );
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document.write( "\"3y=x%2B5\"\r\n" );
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document.write( "\"y=%28x%2B5%29%2F3\"\r\n" );
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document.write( "Replace \"y\" by \"f%5E%28-1%29\"\"%28x%29\"\r\n" );
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document.write( "\"f%5E%28-1%29\"\"%28x%29=%28x%2B5%29%2F3\"\r\n" );
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document.write( "Now plot that on the same graph:\r\n" );
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document.write( "Notice that the inverse is the reflection of the\r\n" );
document.write( "original line in the \"identity\" line which has equation\r\n" );
document.write( "\"y=x\", called the identity line.  That's\r\n" );
document.write( "the green dotted line below:\r\n" );
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document.write( "Edwin
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