Verifying the mean value theorum for absolute value function

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Homework Help Overview

The discussion revolves around verifying the mean value theorem for the absolute value function, specifically the function f(x) = |x-1| over the interval [0,2]. The original poster seeks to find the average value of the function and verify the mean value theorem for integrals in this context.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to connect the mean value theorem for integrals with the mean value theorem for differentials, expressing uncertainty about the verification process. They question whether their approach is correct and seek clarification on the application of these theorems.

Discussion Status

The discussion appears to be ongoing, with the original poster expressing confusion and seeking guidance. There are no clear solutions or consensus reached, and some participants have reiterated the need for the original poster to demonstrate their efforts in solving the problem.

Contextual Notes

There is an indication that the original poster is unsure about the verification process and the implications of the derivative of the absolute value function, which may affect their understanding of the mean value theorem's application.

silicon_hobo
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Homework Statement


a) Find the average value of the function f(x)=|x-1| over [0,2].
b)Verify the mean value theorum for integrals for the function and interval in part (a).

Homework Equations


mean value theorum for integrals: \int_a^{b} f(x)dx=f(c)(b-a)

mean value theorum for differentials: f\prime(c)=\frac{f(b)-f(a)}{b-a}

The Attempt at a Solution


http://www.mcp-server.com/~lush/shillmud/int1.10.JPG
I believe part (b) is asking me to use the differential theorum to prove what has been found in part (a) but I'm rarely sure what to do when asked to 'verify' or 'prove'. Am I on the right track in my attempt to use the differential mvt to verify what I have found with the integral mvt in the first part? I know something's not right because the derivative of |x-1| is going to be either 1 or -1 at all times yet I've got an answer of 0 in part (b). Some clarification on how these theories work with regards to this problem would be greatly appreciated. Thanks for reading.
 
Last edited:
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Bump. I'm still stumped on this one.
 
Please help if anyone knows this answer.
 
mellymel21 said:
Please help if anyone knows this answer.
You have reopened a thread that is more than two years old. Per the rules of this forum, you need to show an effort at solving the problem you post. What have you tried?
 

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