Math Problem Statement
find domain and range, find increase, decrease, and constant, find zero of f
Solution
Let's break down the analysis of the graph provided for .
1. Domain:
The domain is the set of all -values for which the function is defined. By observing the graph:
- The function starts at (closed circle, included point), and ends at (open circle, excluded point). Thus, the domain is:
2. Range:
The range is the set of all possible -values of the function. From the graph:
- The minimum -value is , occurring at , and the maximum -value is , occurring at . Thus, the range is:
3. Intervals of Increase, Decrease, and Constant:
-
Increasing: The function is increasing where the slope of the curve is positive.
- From to , the function is increasing.
- From to , the function is also increasing.
- Increasing intervals:
-
Decreasing: The function is decreasing where the slope of the curve is negative.
- From to , the function is decreasing.
- Decreasing interval:
-
Constant: There is no section where the function is constant.
4. Zeros of (where ):
The zero of the function is where the curve intersects the x-axis (i.e., where ).
- From the graph, the zero is located at . Thus, the zero is:
Would you like to dive deeper into any specific part of this problem?
Here are some related questions:
- How would we find the critical points of this function?
- Can we approximate the derivative of based on the graph?
- How do we describe the concavity of the graph?
- How can we use limits to describe the behavior of the function near ?
- How could the function be modeled algebraically based on the graph?
Tip: When analyzing functions graphically, always check for open and closed endpoints to determine whether certain values are included in the domain or range.
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Math Problem Analysis
Mathematical Concepts
Functions
Domain and Range
Increasing and Decreasing Intervals
Zeros of Functions
Formulas
-
Theorems
-
Suitable Grade Level
Grades 9-12
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