a.
To Find: The constant
The object started at a height of
Given:
Explanation:
Constant
tell about the height of the object in
The object started at a height of
b.
To Find: The coefficient of
The coefficient of
Given:
Explanation:
Coefficient of
As time increases, the height decreases since the coefficient is negative. As a result, the object is moving downward.
c.
To Find: The time at which the object is at a height
The time at which the object is at a height
Given:
Explanation:
The object height is determined by the equation:
Here,
Let, height of the object is
Find the time for which the height of the object
Substitute
Find
Thus, the time at which the object is at a height
d.
To Find: The time at which the object is at a height
The time at which the object is at a height
Given:
Explanation:
The object height is determined by the equation:
Here,
Let, height of the object is
Find the time for which the height of the object
Substitute
Find
Thus, the time at which the object is at a height
e.
To Find: The reasonable domain and range for the function
The reasonable domain of the function is
Given:
Explanation:
Find the reasonable domain and range for the function
When the object reaches the ground, it takes between zero and one second
So, equate
Because the height function
So, the reasonable domain of the function is
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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