Concept explainers
a.
To find the time when the firework explodes.
a.
Answer to Problem 27E
The firework will explode after
Explanation of Solution
Given:
The following function shows height
Calculation:
The firework will explode at the maximum point of the parabola which in this case is vertex.
So,
Hence, the firework will explode after
b.
To find the height at which the firework will explode.
b.
Answer to Problem 27E
The firework will explode at
Explanation of Solution
Given:
The following function shows height
Calculation:
Substitute
Therefore the firework will explode at
Chapter 8 Solutions
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