To Describe: The shape of the graph of each cubic function including end behavior, turning points, and increasing/decreasing intervals.
The graph's end behavior falls to the left and rises to the right.
There are
Increasing on:
Decreasing on:
Given:
Explanation:
Given the function
To create a table of values, substitute values to the equation.
Substitute
Substitute
Substitute
Substitute
Substitute
Graph of the function is as:
Find the end behaviour of
The leading coefficient in a polynomial is the coefficient of the leading term which is
Since the degree is odd, the ends of the function will point in the opposite directions.
Since the leading coefficient is positive, the graph rises to the right.
The graph's end behaviour is falls to the left and rises to the right.
To find the turning points, set
Set the equation to
Thus, there are
Determine the interval of increasing/decreasing:
By using the graph, the graph is
Increasing on:
Decreasing on:
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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