
Concept explainers
a.
To use : the graphing utility to graph the two functions
a.

Explanation of Solution
Given information : The question is
The function is
Graph : Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press
Step 3: Enter the expression
Step 4: Press
The graph is obtained as:
Interpretation :
From the above graph the blue line shows the function
b.
To calculate : the horizontal asymptote of the function
b.

Answer to Problem 148E
The horizontal asymptote is x-axis component to
Explanation of Solution
Given information : The question is
The function is
Calculation :
The horizontal asymptote
So, the horizontal asymptote of the function is given by substituting the value of x-axis component to
c.
To calculate : the average height of each sex
c.

Answer to Problem 148E
The average height of male is
Explanation of Solution
Given information : The question is
The function is
Calculation :
The average height of male
The average height of female
Chapter 3 Solutions
Precalculus with Limits: A Graphing Approach
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