Math Problem Statement
Solution
Let's analyze the problem from the image and address the questions step by step.
The graph represents a function and has several features to analyze:
(a) Find the domain and the range of :
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Domain: The domain is the set of all possible -values for which the function is defined. From the graph, the function extends horizontally from to , so:
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Range: The range is the set of all -values that the function attains. From the graph, the lowest point is and the highest point is , so:
(b) Intervals where is increasing, decreasing, or constant:
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Increasing: The function is increasing where the slope of the curve is positive (going up). From the graph:
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Decreasing: The function is decreasing where the slope is negative (going down). From the graph:
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Constant: The function is constant where it has a horizontal segment (unchanging). From the graph: \text{Constant: } \text{No intervals where f(x) is constant.}
(c) Local minima and maxima:
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Local Maximum: Points where the function transitions from increasing to decreasing:
- At , .
- At , .
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Local Minimum: Points where the function transitions from decreasing to increasing:
- At , .
- At , .
(d) Solve :
Find intervals where (above the -axis):
(e) Solve :
Find intervals where (below the -axis):
Let me know if you'd like to see any part explained in greater detail!
Related questions:
- How do you determine critical points from a graph of ?
- How can you calculate the range algebraically for more complex functions?
- What are the first derivative tests for identifying increasing and decreasing intervals?
- What makes a point a local extremum, and how can you differentiate it from a global extremum?
- How does solving relate to real-world applications?
Tip:
When analyzing a graph, always carefully observe transitions at key points (local maxima, minima, and intercepts) to accurately describe behavior!
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Math Problem Analysis
Mathematical Concepts
Function Analysis
Domain and Range
Intervals of Increase and Decrease
Local Extrema
Inequalities
Formulas
Domain: set of all possible x-values
Range: set of all possible y-values
Intervals of Increase/Decrease: based on the slope of the graph
Local Extrema: points where the function transitions between increasing and decreasing
Theorems
Intermediate Value Theorem
First Derivative Test
Suitable Grade Level
Grades 9-12
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