HELP:Joyce is dividing into the water. Let the t represent time in seconds and the h represent height in feet. Her dive is modeled by the equation:
h
-t2 + 10t + 19
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1. What is the height of the dividing board where Joyce is standing?
2. How many seconds will it take the diver to reach the maximum height?
3. How high is the maximum height of the diver?
EXPLAIN

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