Table of contents
- 0. Functions7h 52m
- Introduction to Functions16m
- Piecewise Functions10m
- Properties of Functions9m
- Common Functions1h 8m
- Transformations5m
- Combining Functions27m
- Exponent rules32m
- Exponential Functions28m
- Logarithmic Functions24m
- Properties of Logarithms34m
- Exponential & Logarithmic Equations35m
- Introduction to Trigonometric Functions38m
- Graphs of Trigonometric Functions44m
- Trigonometric Identities47m
- Inverse Trigonometric Functions48m
- 1. Limits and Continuity2h 2m
- 2. Intro to Derivatives1h 33m
- 3. Techniques of Differentiation3h 18m
- 4. Applications of Derivatives2h 38m
- 5. Graphical Applications of Derivatives6h 2m
- 6. Derivatives of Inverse, Exponential, & Logarithmic Functions2h 37m
- 7. Antiderivatives & Indefinite Integrals1h 26m
1. Limits and Continuity
Finding Limits Algebraically
Problem 2.4.9d
Textbook Question
The graph of ℎ in the figure has vertical asymptotes at x=−2 and x=3. Analyze the following limits. <IMAGE>
lim x→^3− h(x)
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1
Step 1: Understand the concept of a vertical asymptote. A vertical asymptote at x = a means that as x approaches a, the function h(x) tends to infinity or negative infinity.
Step 2: Identify the behavior of the function h(x) as x approaches the vertical asymptote from the left side (x → 3⁻). This involves analyzing the graph to see if h(x) approaches positive or negative infinity.
Step 3: Recall that the limit of h(x) as x approaches 3 from the left (x → 3⁻) is determined by the behavior of h(x) near x = 3. If h(x) increases without bound, the limit is positive infinity. If it decreases without bound, the limit is negative infinity.
Step 4: Examine the graph near x = 3 from the left side to determine the direction in which h(x) is heading. This will help you conclude whether the limit is positive or negative infinity.
Step 5: Conclude the analysis by stating the limit based on the observed behavior of h(x) as x approaches 3 from the left. This involves stating whether the limit is positive infinity, negative infinity, or does not exist.
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