Math Problem Statement
find the Integral 2-0f(x)dx
Solution
To solve the problem, we need to calculate the definite integral of from to based on the graph of . The integral can be interpreted as the net area under the curve between the given bounds.
Looking at the graph in your uploaded image:
- The function includes both positive and negative areas within the bounds .
- To find the integral, calculate the area of each segment individually:
- A triangle in the positive region (above the -axis) contributes positively to the integral.
- A triangle in the negative region (below the -axis) contributes negatively to the integral.
Step-by-Step Calculation
1. Positive Triangle (from to ):
- Base: unit (from to ).
- Height: .
- Area = .
2. Negative Triangle (from to ):
- Base: unit (from to ).
- Height: (negative because it's below the -axis).
- Area = .
Total Integral
- The total integral is the sum of the areas:
Final Answer
Let me know if you'd like further clarification or more details on this process!
Here are five related questions for practice:
- How do you handle cases where the curve is not linear but involves curved segments?
- How would you find the integral if the bounds were changed to ?
- What is the significance of the integral being zero in this case?
- How does the concept of net area apply to integrals in practical scenarios?
- How can definite integrals be used to compute physical quantities, such as distance or work?
Tip: Always pay close attention to whether the function is above or below the -axis to determine the sign of the integral!
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Math Problem Analysis
Mathematical Concepts
Definite Integration
Net Area Under the Curve
Formulas
Area of a triangle = 1/2 × base × height
Definite integral \( \int_a^b f(x) dx \) = Net area under the curve
Theorems
Fundamental Theorem of Calculus
Suitable Grade Level
Grades 11-12
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