document.write( "Question 220553: If f(x-2)=6x-7, what is f(x)? \r
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document.write( "The answer is f(x)=6x+5, but I have no idea how the answer is found! I keep ending up with 6x-17. Here is what I did....\r
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document.write( "f(x)= 6(x-2)+2-7
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document.write( "f(x)= 6x-12-5
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document.write( "f(x)= 6x-17\r
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document.write( "Please help! I think you're supposed to add 2 somewhere but I don't know where, why or how! \n" );
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Algebra.Com's Answer #165538 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If f(x-2)=6x-7, what is f(x)? \n" ); document.write( "The answer is f(x)=6x+5 \n" ); document.write( "----------------------------- \n" ); document.write( "The original equation was shifted 2 units to the right to get \n" ); document.write( "f(x-2) = 6x-7 \n" ); document.write( "---------------------- \n" ); document.write( "So shift it 2 units to the left to get back to f(x) \n" ); document.write( "f(x) = 6(x+2)-7 \n" ); document.write( "f(x) = 6x+12-7 \n" ); document.write( "f(x) = 6x+5 \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |