Question

Fireworks are fired from the roof of a 100-foot building and travel 84 feet per second. The equation h = -16t^2 + 84t + 100 models the height h of the fireworks at any given time t seconds. A: How long are the fireworks in the air? B: How high did the fireworks get? C: How high were the fireworks 2 seconds after they left the roof?​

Answer 1

Answer:

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