Use algebraic manipulations and limit laws to evaluate the following: (a) Find limx→∞ √x + 9-√√x (x+1)²(x-1)5 (b) Find limx→-3) (x-4)³(x+3)²

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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### Evaluating Limits Using Algebraic Manipulations and Limit Laws

In this section, we will learn how to use algebraic manipulations and limit laws to evaluate the following limits:

#### (a) Problem: 
\[ \lim_{{x \to \infty}} \left( \sqrt{x + 9} - \sqrt{x} \right) \]

#### (b) Problem:
\[ \lim_{{x \to 3}} \frac{(x + 1)^7 (x - 1)^5}{(x - 4)^3 (x + 3)^2} \]

In problem (a), we will explore techniques to simplify the expression involving square roots as \(x\) approaches infinity. For problem (b), we will deal with a limit that approaches a finite value and involves the manipulation of polynomial expressions in the numerator and denominator.
Transcribed Image Text:### Evaluating Limits Using Algebraic Manipulations and Limit Laws In this section, we will learn how to use algebraic manipulations and limit laws to evaluate the following limits: #### (a) Problem: \[ \lim_{{x \to \infty}} \left( \sqrt{x + 9} - \sqrt{x} \right) \] #### (b) Problem: \[ \lim_{{x \to 3}} \frac{(x + 1)^7 (x - 1)^5}{(x - 4)^3 (x + 3)^2} \] In problem (a), we will explore techniques to simplify the expression involving square roots as \(x\) approaches infinity. For problem (b), we will deal with a limit that approaches a finite value and involves the manipulation of polynomial expressions in the numerator and denominator.
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