document.write( "Question 364312: Need help solving f(3)--2 and f(2)=5 \n" ); document.write( "

Algebra.Com's Answer #259745 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28x%29=y=mx%2Bb\"$
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\n" ); document.write( " $\"f%283%29=-2\"$
\n" ); document.write( " $\"f%282%29=5\"$
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\n" ); document.write( " $\"m=%28f%283%29-f%282%29%29%2F%283-2%29=%28-2-5%29%2F1=-7\"$
\n" ); document.write( " $\"y=mx%2Bb\"$
\n" ); document.write( "Use either point to solve for $\"b\"$ .
\n" ); document.write( " $\"5=-7%282%29%2Bb\"$
\n" ); document.write( " $\"5=-14%2Bb\"$
\n" ); document.write( " $\"b=9\"$
\n" ); document.write( " $\"highlight%28y=-7x%2B19%29\"$
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