natsuwilson9 natsuwilson9
  • 18-10-2022
  • Mathematics
contestada

You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y = -0.000475x² + 0.851x, where x and y are in feet. How high above the river is the bridge (the top of the arch)? How long is the section of bridge above the arch?

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