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dolphi86 [110]
3 years ago
5

The height (h) of a fireball launched from a Roman candle with an initial velocity of 64 feet per second is given by the equatio

n h(t) = -16t^2 + 64t, where t is time in seconds after launch. Use the graph of this function to answer the questions. Estimate the time when the fireball is at its maximum height.
A. 2.3 seconds

B. 2 seconds

C. 0 seconds

D. 4 seconds
Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0

Answer: C or 2 seconds.

Step-by-step explanation:

To find the vertex in a standard form equation: (-b/2a,f(-b/2a))

plug it in: -64/2*-32 = 2

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