Concept explainers
a.
To write: The functions that model the height
a.
Answer to Problem 25PPS
The function
Explanation of Solution
Given information: A rock falls from a cliff
Calculation: A rock falls from a cliff
The height of the rocks can be modeled using the equation
Thus, the function
b.
To calculate: How much sooner will first rock reach the ground.
b.
Answer to Problem 25PPS
The first rock reaches the ground about
Explanation of Solution
Given information: A rock falls from a cliff
Calculation: A rock falls from a cliff
When the rock hit the ground their height will be
Put
Time taken the first rock reaches the ground about sooner than the second rock is
Chapter 9 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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