Concept explainers
a.
To graph the function using graphing device and find the maximum and minimum value of the function f.
a.
Explanation of Solution
Given information : Use graphing device to graph the function
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 GRAPH button to graph the function.
The graph is obtained as:
Interpretation :
From the above graph, it can be observed that the minimum value is at
b.
To Find: The exact maximum or minimum value of the function
b.
Answer to Problem 49E
The value of
Of course, the result agrees with what our graphing program gave us with the difference that the program rounded the answer to three decimal places.
Explanation of Solution
Given: The function is
Calculation:
This is a quadratic function with
Since,
Of course, the result agrees with what our graphing program gave us with the difference that the program rounded the answer to three decimal places.
Chapter 3 Solutions
Precalculus: Mathematics for Calculus - 6th Edition