Mathematics, 24.02.2021 03:30 pennygillbert

The shape of a tunnel for cars can be modeled by the graph of the equation y=-0.5x(x - 8) where x and y are measured in feet. On the coordinate
plane, the ground is represented by the x-axis. How wide is the tunnel at
its base?

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The shape of a tunnel for cars can be modeled by the graph of the equation y=-0.5x(x - 8) where x a...