document.write( "Question 1068537: Find the average rate of change of g(x) = -3x^2 +7 from x=5 to x=9. \r
\n" ); document.write( "\n" ); document.write( "Simplify your answer as much as possible. \r
\n" ); document.write( "\n" ); document.write( "NOTES: I am not sure how to approach this problem because two values for x are given.
\n" ); document.write( "x=5 to x=9
\n" ); document.write( "When I plug in x=5, I get -68
\n" ); document.write( "When I plug in x=9, I get -236\r
\n" ); document.write( "\n" ); document.write( "How do I answer the question of \"average rate of change .... from x=5 to x=9
\n" ); document.write( "Step by step solution is appreciated.
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Algebra.Com's Answer #683756 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
average rate of change is [f(b)-f(a)]/(b-a)
\n" ); document.write( "that is (-236-(-68))/(9-5)
\n" ); document.write( "=-168/4=-42
\n" ); document.write( "This is the secant line between the two points.
\n" ); document.write( "\"graph%28300%2C300%2C-2%2C11%2C-400%2C100%2C-3x%5E2%2B7%29\"
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