A person is riding along an expressway traveling x miles per hour. The function f(x) = 0.015x2+x+10 describes the recommended safe distance, f(x), in feet, between his car and other cars on the expressway. Use the values in the table below to find lim f(x). Describe what this means in terms of his car's speed and the recommended safe x-57 distance. X 56.9 56.99 56.999-57.001 57.01 57.1 f(x) = 0.015x2+x+10 115.46 115.708 115.732-115.738 115.762 116.01 lim f(x) = x-57 (Type a whole number.) ***