2n4+25n2+32n-15 The nth term of a sequence is represented by 6n4+2n3 –11n²–2n+17 What is the limit of the the nth term as x becomes increasingly large?

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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### Understanding Limits in Sequences

**Problem Statement:**

The \(n\)th term of a sequence is represented by the fraction:

\[ \frac{2n^4 + 25n^2 + 32n - 15}{6n^4 + 2n^3 - 11n^2 - 2n + 17} \]

**Question:**

What is the limit of the \(n\)th term as \(n\) becomes increasingly large?

### Options:

- \( \circ \) 0
- \( \circ \) \(\frac{1}{3}\)
- \( \circ \) 3 
- \( \circ \) The limit does not exist.

### Solution:

To find the limit of the given sequence as \( n \) approaches infinity, observe the highest power of \( n \) in both the numerator and the denominator. 

The highest power in the numerator is \( n^4 \) (with a coefficient of 2), and in the denominator, it is also \( n^4 \) (with a coefficient of 6). When considering the limit, the terms with the highest power dominate the behavior of the function. Therefore, we can approximate the fraction for large \( n \) as:

\[ \frac{2n^4}{6n^4} = \frac{2}{6} = \frac{1}{3} \]

So, as \( n \) becomes increasingly large, the \( n \)th term of the sequence approaches \( \frac{1}{3} \).

### Answer:
\( \boxed{\frac{1}{3}} \)
Transcribed Image Text:### Understanding Limits in Sequences **Problem Statement:** The \(n\)th term of a sequence is represented by the fraction: \[ \frac{2n^4 + 25n^2 + 32n - 15}{6n^4 + 2n^3 - 11n^2 - 2n + 17} \] **Question:** What is the limit of the \(n\)th term as \(n\) becomes increasingly large? ### Options: - \( \circ \) 0 - \( \circ \) \(\frac{1}{3}\) - \( \circ \) 3 - \( \circ \) The limit does not exist. ### Solution: To find the limit of the given sequence as \( n \) approaches infinity, observe the highest power of \( n \) in both the numerator and the denominator. The highest power in the numerator is \( n^4 \) (with a coefficient of 2), and in the denominator, it is also \( n^4 \) (with a coefficient of 6). When considering the limit, the terms with the highest power dominate the behavior of the function. Therefore, we can approximate the fraction for large \( n \) as: \[ \frac{2n^4}{6n^4} = \frac{2}{6} = \frac{1}{3} \] So, as \( n \) becomes increasingly large, the \( n \)th term of the sequence approaches \( \frac{1}{3} \). ### Answer: \( \boxed{\frac{1}{3}} \)
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