Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:**Exercise 2.** Consider the functions \( g(x) \) and \( h(x) \) with the following graphs:
**Graphs Overview:**
1. **Graph of \( g(x) \) (Left Graph):**
- The graph is composed of two line segments.
- The segment for \( x < 0 \) is a horizontal line at \( y = 1 \), shown in green.
- The segment for \( x > 0 \) is a horizontal line at \( y = -1 \), shown in blue.
- At \( x = 0 \), there is an open circle at \( y = 1 \) and a filled circle at \( y = -1 \), indicating a discontinuity. The function value at \( x = 0 \) is \( g(0) = -1 \).
2. **Graph of \( h(x) \) (Right Graph):**
- The graph is also composed of two line segments.
- The segment for \( x < 0 \) is a horizontal line at \( y = -1 \), shown in orange.
- The segment for \( x > 0 \) is a horizontal line at \( y = 1 \), also shown in orange.
- At \( x = 0 \), there is an open circle at \( y = -1 \) and a filled circle at \( y = 1 \), indicating a discontinuity. The function value at \( x = 0 \) is \( h(0) = 1 \).
**Task:**
Compute \( \lim_{x \to 0} (g(x) + h(x)) \).
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