Concept explainers
(a)
To Find: The expression that shows the height of the rocket in factored form.
(a)
Answer to Problem 17STP
The factored for of function is
Explanation of Solution
Given information:
The equation provided is
Rewrite the function as :
(b)
To Find: The time at which height of the rocket is 0m
(b)
Answer to Problem 17STP
Height of the rocket is
Explanation of Solution
Set
Therefore, the height of the rocket is 0m when
(c)
To Find: The greatest height reached by the model rocket and when does it occur.
(c)
Answer to Problem 17STP
The greatest height achieved by rocket is at time
Explanation of Solution
The greatest height is achieved at the vertex
For
Hence the greatest height achieved by rocket is at time
Chapter 8 Solutions
Algebra 1
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