document.write( "Question 212300: Find the inverse of y=7x^2-3. \n" ); document.write( "
Algebra.Com's Answer #160382 by drj(1380)\"\" \"About 
You can put this solution on YOUR website!
Find the inverse of \r
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\n" ); document.write( "\n" ); document.write( "\"y=7x%5E2-3\" or \"x=f%28y%29\"\r
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\n" ); document.write( "\n" ); document.write( "Step 1. Add 3 to both sides of equations\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B3=7x%5E2-3%2B3\"\r
\n" ); document.write( "\n" ); document.write( "\"y%2B3=7x%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "Step 2. Divide 7 to both sides of equations\r
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\n" ); document.write( "\n" ); document.write( "\"%28y%2B3%29%2F7=x%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "Step 3. Take square root of both sides\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28%28y%2B3%29%2F7%29=x\"\r
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\n" ); document.write( "\n" ); document.write( "Step 4. The inverse is\r
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\n" ); document.write( "\n" ); document.write( "\"x=sqrt%28%28y%2B3%29%2F7%29\"\r
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