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amyna
 one year ago
At travel speed "x" (constant velocity in mph), there are "y" accidents at nighttime for every 100 million miles of travel where y is given by y=6.1x^2+752x+22620. At what travel speed does the greatest number of accidents per 100 million miles traveled occur?
This is a calculus related rates problem. I only know that we have to find the "x" which is the speed, but need help!!
please help! thanks!!
amyna
 one year ago
At travel speed "x" (constant velocity in mph), there are "y" accidents at nighttime for every 100 million miles of travel where y is given by y=6.1x^2+752x+22620. At what travel speed does the greatest number of accidents per 100 million miles traveled occur? This is a calculus related rates problem. I only know that we have to find the "x" which is the speed, but need help!! please help! thanks!!

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