Math Problem Statement
Evaluate the definite integral \( \int_{-3}^{3} (2 - |x|) dx \) geometrically.
Solution
This problem involves evaluating the definite integral of by interpreting it geometrically. Here's the step-by-step explanation:
Step 1: Understand the function
The function represents a "V"-shaped graph because of the absolute value term. Specifically:
- For , , so .
- For , , so .
Step 2: Sketch the graph of
The function is a straight line that forms a triangle:
- At , the value is .
- At , the value becomes (since ).
- Similarly, at , the value becomes .
Step 3: Break the integral into parts
The interval can be divided into:
- From to : The function is negative, but geometric interpretation will simplify this.
- From to ( final
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Math Problem Analysis
Mathematical Concepts
Definite Integrals
Absolute Value Functions
Geometric Interpretation of Integrals
Graphical Analysis
Formulas
Definite Integral Definition: \( \int_{a}^{b} f(x) dx \)
Absolute Value Function: \( |x| \)
Theorems
Fundamental Theorem of Calculus
Suitable Grade Level
Grades 11-12