document.write( "Question 947392: Write an equation for the linear function (f) with the given value\r
\n" ); document.write( "\n" ); document.write( "f(6)=3,f(9)=15
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Algebra.Com's Answer #578042 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28x%29=mx%2Bb\"$
\n" ); document.write( " $\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29=%2815-3%29%2F%289-6%29=12%2F3=4\"$
\n" ); document.write( " $\"f%28x%29=4x%2Bb\"$
\n" ); document.write( " $\"f%286%29=4%286%29%2Bb=3\"$
\n" ); document.write( " $\"24%2Bb=3\"$
\n" ); document.write( " $\"b=-21\"$
\n" ); document.write( "So,
\n" ); document.write( " $\"highlight%28f%28x%29=4x-21%29\"$
\n" ); document.write( " \n" ); document.write( "

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