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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Question
Is 90 and 92 True or False
Expert Solution
Step 1
90)
Given that f(x)=1/x is concave downward for x<0 and concave upward for x>0 and thus it has a point of inflection at x=0.
We need to check whether the given statement is True or False.
Solution:
To find the inflection point we need to find the second derivative of the function and check where the second derivative of the function is zero.
given that the function as inflection at x=0 but at x=0 the second derivative of the function is not defined and no inflection exists for this function.
Hence the given statement is False.
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