Mathematics, 16.04.2021 20:30, fordd4

The height, h(t), in feet, of an object shot from a cannon with initial velocity of 20 feet per second can be modeled by the equation h(t) =-16t2 +20t+6, where t is the time, in seconds, after the cannon is fired. What is the maximum altitude that the object reaches?

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The height, h(t), in feet, of an object shot from a cannon with initial velocity of 20 feet per seco...