Skip to main content
Ch. 2 - Limits
Briggs - Calculus: Early Transcendentals 3rd Edition
Briggs3rd EditionCalculus: Early TranscendentalsISBN: 9780136847243당신이 사용하는 게 아니라요?교과서 변경
2장, 문제 2.39

Estimate the following limits using graphs or tables.


lim x→1 9(√2x − x^4 −3√x) / 1 − x^3/4

검증된 단계별 안내
1
Identify the limit expression: \( \lim_{{x \to 1}} \frac{9(\sqrt{2x} - x^4 - 3\sqrt{x})}{1 - x^{3/4}} \).
Recognize that direct substitution of \( x = 1 \) results in an indeterminate form \( \frac{0}{0} \).
Consider using a table of values to estimate the limit by choosing values of \( x \) that approach 1 from both the left and the right.
Alternatively, graph the function \( f(x) = \frac{9(\sqrt{2x} - x^4 - 3\sqrt{x})}{1 - x^{3/4}} \) and observe the behavior as \( x \) approaches 1.
Analyze the behavior of the numerator and the denominator separately as \( x \to 1 \) to understand the limit's behavior.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
4m
도움이 되었나요?

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Limits

A limit is a fundamental concept in calculus that describes the behavior of a function as its input approaches a certain value. It helps in understanding how functions behave near points of interest, including points where they may not be defined. Evaluating limits can involve direct substitution, factoring, or using special techniques like L'Hôpital's rule when dealing with indeterminate forms.
추천 영상:
05:50
One-Sided Limits

Continuity

Continuity refers to a property of functions where they do not have any abrupt changes, jumps, or holes at a given point. A function is continuous at a point if the limit as the input approaches that point equals the function's value at that point. Understanding continuity is essential for evaluating limits, as discontinuities can lead to undefined or infinite limits.
추천 영상:
05:34
Intro to Continuity

Graphical Analysis

Graphical analysis involves using the visual representation of a function to estimate limits and understand its behavior. By plotting the function, one can observe trends, identify asymptotes, and determine the value the function approaches as the input nears a specific point. This method is particularly useful for complex functions where algebraic manipulation may be challenging.
추천 영상:
06:29
Derivatives Applied To Velocity