The graph shows stopping distances for trucks at various speeds on dry roads and on wet
Chapter 8, Problem 89(choose chapter or problem)
The graph shows stopping distances for trucks at various speeds on dry roads and on wet roads. Use this information to solve Exercises 8889.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), in feet, on wet pavement traveling at x miles perhour. Round the constant term to one decimal place.b. Use the function from part (a) to determine speeds onwet pavement requiring stopping distances that exceed446 feet.
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