3. Find the least integer n such that f (x) is O(x") for each of these functions. a) f (x) = 2x³ + x² log x b) f (x) = 3x³ + (log x)* c) f (x) = (xª + x² + 1)/(x³ + 1) d) f (x) = (x* + 5 log x)/(x + 1)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.5: Complex Zeros And The Fundamental Theorem Of Algebra
Problem 3E: A polynomial of degree n I has exactly ____________________zero if a zero of multiplicity m is...
icon
Related questions
Question

Pls, help me answer two questions about Discrete Mathematics !!!

3. Find the least integer n such that f (x) is O(x") for each of these functions.
a) f (x) = 2x³ + x² log x
b) f (x) = 3x³ + (log x)*
c) f (x) = (x* + x² + 1)/(x³ + 1)
d) f (x) = (x* + 5 log x)/(x* + 1)
Transcribed Image Text:3. Find the least integer n such that f (x) is O(x") for each of these functions. a) f (x) = 2x³ + x² log x b) f (x) = 3x³ + (log x)* c) f (x) = (x* + x² + 1)/(x³ + 1) d) f (x) = (x* + 5 log x)/(x* + 1)
6. Give as good a big-O estimate as possible for each of these functions.
a) (n² + 8)(n + 1) b) (n log n + n²)(n³ + 2)
c) (n! + 2")(n³ + log(n² + 1))
Transcribed Image Text:6. Give as good a big-O estimate as possible for each of these functions. a) (n² + 8)(n + 1) b) (n log n + n²)(n³ + 2) c) (n! + 2")(n³ + log(n² + 1))
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra for College Students
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage