A river’s rate of flow is faster near the center than near its banks. The flow profile is parabolic, as shown in the figure. Which equation describes the graph in the figure? A. y=−11000(x2 150x−3000) B. y=−11000(x2 150x 8.6) C. y=−11000x2 0.15x 7.5 D. y=−11000x2 0.15x 3