(a)
To identify: The variables which is independent and dependent.
(a)
Answer to Problem 14CT
The dependent variable is
Explanation of Solution
Given:
Weekly sales
The dependent variables are those variables that depends on another variable and changes accordingly. It provides output values for the function.
On the other hand, the independent variable is free from the dependency on the another variable and it is the input variable of the function.
In the given problem it can be observed that the weekly sales increases and decreases with time.
The weekly sales totally depend on the time and time is free from any dependency.
Therefore, the dependent variable is weekly sales
(b)
To graph: The function
(b)
Answer to Problem 14CT
Explanation of Solution
Given:
The base function is
Concept used:
The function
The function
The function
The function reflect itself about
Graph:
The base function is
Draw the graph of
Now to draw the graph of the equation
Use the concepts of transformations.
First shift the graph rightward by 20 units since the value of
Second reflect the graph since the value of
Third stretch the graph in the
Fourth move the graph by 40 units since the value of 40 is greater than 0.
Interpretation:
It can be seen that the graph passes through the origin.
Chapter 3 Solutions
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