To find: Thevolume of dirt that must be removed for the trench.
Given information:
The property shown below,
Each person can dig
Calculation:
From the figure, the trench width is
There are 4 sides and each side has trench.
The length of two adjacent sides of the trench is
The volume of trench is,
Thus, the value is
To write: Theexponential model the volume of dirt remaining after
Given information:
The property shown below,
Each person can dig
Calculation:
Let the exponential function be
Where,
Initial volume of dirt is
So, the value of
After 1 weekend the remaining volume is
So, one of the passing point is
Now find the value of
The mode s,
Thus, the model is
This is exponential function. So, the value of
Let after
Therefore, after
Chapter 7 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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