document.write( "Question 323620: Find the average rate of change of the function from x1 to x2.
\n" ); document.write( "7) f(x) = -3x2 - x from x1 = 5 to x2 = 6
\n" ); document.write( "

Algebra.Com's Answer #231582 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"+f%28x1%29=f%285%29=-3%285%29%5E2-5=-75-5=-80\"
\n" ); document.write( "\"+f%28x2%29=f%286%29=-3%286%29%5E2-6=-108-6=-114\"
\n" ); document.write( "\"+%28+DELTA%2Af%28x%29%29%2F%28DELTA%2Ax%29=%28-114-%28-80%29%29%2F%286-5%29=-34+\"
\n" ); document.write( "
\n" ); document.write( "
\n" );