document.write( "Question 182019: For the following function, determine its inverse f-1. Use the switch and solve strategy:\r
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document.write( " f(x) = 3x - 8
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Algebra.Com's Answer #136689 by eperette(173) ![]() You can put this solution on YOUR website! f(x) = 3x - 8 or y=3x-8\r \n" ); document.write( "\n" ); document.write( "(1)switch x with y \n" ); document.write( "x = 3y - 8 \n" ); document.write( "(2) solve for y \n" ); document.write( "x = 3y - 8 \n" ); document.write( "x + 8 = 3y - 8 + 8 \n" ); document.write( "x + 8 = 3y + 0 \n" ); document.write( "(x + 8)/3 = 3y/3 \n" ); document.write( "(x + 8)/3 = y \n" ); document.write( "or \n" ); document.write( "f^-1(x)= (x + 8)/3 \n" ); document.write( " \n" ); document.write( " |