Math Problem Statement
Given the graph f(x) above, find the following. In parts (a)-(e) write your answers using the interval notation. Domain: Range: in parts (c)-(e) do not include endpoints in the intervals. (C) set on which f(x) is strictly increasing: (D) set on which f(x) is strictly decreasing:(E) set on which f(x) is constant: In parts (f),(g) list the y-coordinates (y=f(x)) of the local maxima and minima. Use commas to separate distinct values if there are more than one. Enter NONE if there are none. (F) local maxima: (G) local minima:
Solution
Let's analyze the graph to answer the questions. Here's a breakdown based on the image:
1. Domain:
The domain is the set of all possible -values for which the function is defined. From the graph, the function starts at and ends at .
Domain:
2. Range:
The range is the set of all possible -values. From the graph:
- The minimum -value appears to be (at ).
- The maximum -value is (between and ).
Range:
3. Strictly Increasing:
A function is strictly increasing on an interval if, as increases, also increases. Observing the graph:
- The function is increasing from to .
Strictly Increasing:
4. Strictly Decreasing:
A function is strictly decreasing on an interval if, as increases, decreases. From the graph:
- The function decreases from to .
Strictly Decreasing:
5. Constant:
A function is constant on an interval if remains the same as varies. From the graph:
- There are no intervals where the function is strictly constant.
Constant: NONE
6. Local Maxima:
Local maxima are points where changes from increasing to decreasing. In the graph:
- The local maximum occurs at , where the -value is .
Local Maxima: 9
7. Local Minima:
Local minima are points where changes from decreasing to increasing. In the graph:
- The local minimum occurs at , where the -value is .
Local Minima:
Would you like further details on any of these answers, or do you have more questions?
Additional Questions
- What is the slope of the graph in the interval where it is increasing?
- Can you identify the coordinates of the inflection points on this graph?
- Is the function continuous over its entire domain?
- How would the intervals change if the endpoints were included in the increasing or decreasing sets?
- What is the average rate of change of the function from to ?
Tip:
When writing the domain and range in interval notation, use square brackets to indicate that the endpoints are included and parentheses when they are not.
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Math Problem Analysis
Mathematical Concepts
Functions
Interval Notation
Increasing and Decreasing Functions
Local Maxima and Minima
Formulas
None (graphical analysis)
Theorems
None (graphical analysis)
Suitable Grade Level
Grades 9-12
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