Use the Second Derivative Test to find the Maximum and Minimum value(s) of the function 3 f(x) x* - 4x+ Inx. Give exact solutions. 2

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 4.2E: bThe average rate of change of the linear function f(x)=3x+5 between any two points is ________.
icon
Related questions
icon
Concept explainers
Question
1. Use the Second Derivative Test to find the
Maximum and Minimum value(s) of the function
3
f(x) = x - 4x+ Inx. Give exact solutions.
2
Transcribed Image Text:1. Use the Second Derivative Test to find the Maximum and Minimum value(s) of the function 3 f(x) = x - 4x+ Inx. Give exact solutions. 2
Expert Solution
Step 1

We have the given function as

fx=32x2-4x+lnx

For maxima/minima, we need to calculate f'x as

f'x=322x-41+1xf'x=3x-4+1x

In order to find critical points, we need to calculate f'x=0.

Therefore,

f'x=03x-4+1x=03x2-4x+1x=03x2-4x+1=03x2-3x-x+1=03xx-1-1x-1=0x-13x-1=0x=1, 13

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Application of Differentiation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning