A penny is thrown from the top of a 42.5-meter building and hits the ground 3.56 seconds after it was thrown. The penny reached its maximum height above the ground 0.82 seconds after it was thrown.

Define a quadratic function,h that expresses the height of the penny above the ground (measured in meters) as a function of the number of seconds elapsed since the penny was thrown,t

What is the maximum height of the penny above the ground?

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