document.write( "Question 7848: i have been out of school for 12 years and need a hand on this act practice question f(x)=3xsquared+4,f(x+1)= \n" ); document.write( "
Algebra.Com's Answer #4304 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
If \"f%28x%29+=+3x%5E2+%2B+4\", then to find f(x+1), substitute the (x+1) everywhere there is an x in the first function.\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%2B1%29+=+3%28x%2B1%29%5E2+%2B+4\"
\n" ); document.write( "\"f%28x%2B1%29+=+3%28x%5E2+%2B+2x+%2B+1%29+%2B+4\"
\n" ); document.write( "\"f%28x%2B1%29+=+3x%5E2+%2B+6x+%2B+3+%2B+4\"
\n" ); document.write( "\"f%28x%2B1%29+=+3x%5E2+%2B+6x+%2B+7\"
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