Polynomials can be seen in roller coasters by looking at the beginning, middle, and end of the climax of the ride. The beginning and end represent the functions minimums were the ride is at its lowest point. The middle of the hill/climax is where the maximum can be found because that's the coaster's highest point. When you line up a part of a roller coaster with a grid then you'll find the zeros, y-intercept, increases, and decreases in the function.