The graph shows stopping distances for trucks at various speedson dry roads and on wet
Chapter 3, Problem 92(choose chapter or problem)
The graph shows stopping distances for trucks at various speedson dry roads and on wet roads. Use this information to solveExercises 9293.a. Use the statistical menu of your graphing utility and thequadratic regression program to obtain the quadraticfunction that models a trucks stopping distance, f(x), infeet, on dry pavement traveling at x miles per hour. Roundthe x@coefficient and the constant term to one decimalplace.b. Use the function from part (a) to determine speeds ondry pavement requiring stopping distances that exceed455 feet. Round to the nearest mile per hour.
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