Math Problem Statement
Solution
Let's go through each part of the problem using the graphs provided:
- Identifying the functions:
- The blue line represents .
- The red line represents .
Solutions
(a) Solve :
- To find where , we look for points on the red line where it crosses the x-axis.
- From the graph, when .
Answer: .
(b) Solve :
- For , we are looking for intervals where the red line is above or on the x-axis.
- From the graph, is non-negative for in the interval .
Answer: .
(c) Solve :
- To determine where , we look for portions of the blue line below the x-axis.
- From the graph, is less than zero for in the interval .
Answer: .
Would you like a more detailed explanation of any part?
Here are some related questions that may interest you:
- How would the solutions change if we needed instead of ?
- Can you find intervals where both and are positive?
- What are the intervals where and intersect?
- How would you describe the symmetry (if any) in and ?
- Could you find the slopes of and at certain intervals?
Tip: When solving inequalities graphically, remember to focus on where the function is positioned relative to the x-axis and its respective range.
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Math Problem Analysis
Mathematical Concepts
Graphing functions
Inequalities
Finding zeros of functions
Formulas
-
Theorems
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Suitable Grade Level
Grades 8-10
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