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Mathematics 7 Online
OpenStudy (anonymous):

A ball is tossed straight up into the air from a bridge, and its height above the ground t seconds after it is thrown is f(t)= -16t^2+64t+80 feet. How high above the ground is the bridge?

OpenStudy (anonymous):

We can assume that the bridge is 80 feet high since the whole graph is translated 80 feet upwards. We can see this because of the constant +80 that is on the end of the function.

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