4m y - 4 - 1 16 72
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
Determine the centroid (x, y) of the shaded area.

Transcribed Image Text:The image depicts a graph on a coordinate plane, illustrating the function \( y = 4 - \frac{1}{16}x^2 \).
### Description of the Graph:
- **Axes:**
- The **x-axis** is horizontal, and the **y-axis** is vertical.
- The origin (0,0) is not labeled, but the axes intersect at the bottom left corner of the diagram.
- **Function:**
- The equation of the curve is given as \( y = 4 - \frac{1}{16}x^2 \).
- This equation represents a downward-facing parabola.
- **Bounds:**
- The parabola spans from \( x = -4 \) to \( x = 4 \).
- The vertex, or highest point, of the parabola is at \( (0, 4) \).
- **Shaded Region:**
- A region is shaded in blue beneath the curve and above the horizontal line at \( y = 0 \) from \( x = -4 \) to \( x = 4 \).
- This creates a symmetric, curved region with the parabola serving as the top boundary.
- **Dimensions:**
- The height of the shaded region is labeled as 4 m.
- The total width of the shaded region is labeled as 8 m across the x-axis from -4 to 4.
### Educational Context:
This diagram is useful in illustrating the concept of a parabolic curve in a real-world context, potentially for solving problems involving area under a curve or discussing the properties of quadratic functions. It visually represents how the parameters in the function \( y = a - bx^2 \) affect the shape and dimensions of a parabola.
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