document.write( "Question 14424: Please help me with this problem: g(x)=4x-1, g(h(x))=12x, find h(3). How do I figure out h(x)? Thank you.
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Algebra.Com's Answer #7221 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
Try this:\r
\n" ); document.write( "\n" ); document.write( "\"g%28x%29+=+4x-1\"
\n" ); document.write( "\"g%28h%28x%29%29+=+12x\"
\n" ); document.write( "\"g%28h%28x%29%29+=+4%28h%28x%29%29-1\"
\n" ); document.write( "\"4%28h%28x%29%29-1+=+12x\" Solve for h(x)
\n" ); document.write( "\"4%28h%28x%29%29+=+12x%2B1\" Divide by 4.
\n" ); document.write( "\"h%28x%29+=+3x+%2B+1%2F4\"\r
\n" ); document.write( "\n" ); document.write( "Check: \r
\n" ); document.write( "\n" ); document.write( "\"g%28h%28x%29%29=+4%283x%2B1%2F4%29-1%29\"
\n" ); document.write( "\"g%28h%28x%29%29+=+12x+%2B+4%2F4+-+1\" = \"12x\"\r
\n" ); document.write( "\n" ); document.write( "\"h%283%29+=+3%283%29+%2B+1%2F4\"
\n" ); document.write( "\"h%283%29+=+9%2B%281%2F4%29\" = \"9.25\"
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