Concept explainers
a.
To find: The type of the function that best models the data in the table and write the reason of selection.
a.
Answer to Problem 9.8.1.5P
Function of linear type should be used.
Explanation of Solution
Given Information: A relevant table.
A linear function best models the data in the table because height is decreasing at uniform rate of
Thus, function of linear type should be used.
b.
To find: The rate of change of the function over the interval
b.
Answer to Problem 9.8.1.5P
The rate of change of height is
Explanation of Solution
Given Information: A relevant table.
Calculation:
As the height above ground is decreasing over time, elevator is coming down and approaching the ground.
Thus, rate of change of height is
c.
To write: A function that models the height of the elevator as a function of time and to explain how the coefficient of
c.
Answer to Problem 9.8.1.5P
The function is
Explanation of Solution
Given Information: A relevant table.
Calculation:
Slope intercept form:
When
Substituting the values in slope-intercept form, function is,
Coefficient of
Thus, the function is
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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