document.write( "Question 371635: find the average rate of change of the function from x1 to x2.f(x)=-x+8x-4 x1=0,x2=4 \n" ); document.write( "

Algebra.Com's Answer #264735 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28x%29=-x%2B8x-4+\"$
\n" ); document.write( " $\"f%28x%29=7x-4+\"$
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\n" ); document.write( " $\"f%28x%5B2%5D%29=7%284%29-4=28-4=24\"$
\n" ); document.write( " $\"f%28x%5B1%5D%29=7%280%29-4=0-4=-4\"$
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\n" ); document.write( " $\"%28DELTA%2Af%29%2F%28DELTA%2Ax%29=%2824-%28-4%29%29%2F%284-0%29\"$
\n" ); document.write( " $\"%28DELTA%2Af%29%2F%28DELTA%2Ax%29=%2828%29%2F%284%29\"$
\n" ); document.write( " $\"%28DELTA%2Af%29%2F%28DELTA%2Ax%29=highlight%287%29\"$ \r
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