document.write( "Question 880202: if f(x+1)=2x+7 then f(-2) is \n" ); document.write( "

Algebra.Com's Answer #531276 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28x%2B1%29=2x%2B7\"$
\n" ); document.write( "When $\"x%2B1=-2\"$ , $\"x=-3\"$
\n" ); document.write( "so then
\n" ); document.write( " $\"f%28-2%29=2%28-3%29%2B7\"$
\n" ); document.write( " $\"f%28-2%29=-6%2B7\"$
\n" ); document.write( " $\"f%28-2%29=1\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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