Determine the concavity and the x values where the points of inflection occur for :  y = x + 1/x - 1 For what intervals is the function concave up? For what intervals is the function concave down? What are the x values of the points of inflection?

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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Determine the concavity and the x values where the points of inflection occur for : 

y = x + 1/x - 1

For what intervals is the function concave up?

For what intervals is the function concave down?

What are the x values of the points of inflection?

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