If c is a critical point of f(x), when is there no local maximum or minimum at c? Explain.

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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at the same time and arriving at the same time. Is there
ever a time when they are going the same speed? Prove or
disprove.
If c is a critical point of f(x), when is there no
local maximum or minimum at c? Explain.
1
For the function y = x', is x = 0 both an
inflection point and a local maximum/minimum?
For the function y = x', is x = 0 an inflection
point?
Is it possible for a point c to be both an inflection
point and a local extrema of a twice differentiable
function?
Why do you need continuity for the first derivative
test? Come up with an example.
Explain whether a concave-down function has to
cross y = 0 for some value of x.
Explain whether a polynomial of degree 2 can have
an inflection point.
Transcribed Image Text:at the same time and arriving at the same time. Is there ever a time when they are going the same speed? Prove or disprove. If c is a critical point of f(x), when is there no local maximum or minimum at c? Explain. 1 For the function y = x', is x = 0 both an inflection point and a local maximum/minimum? For the function y = x', is x = 0 an inflection point? Is it possible for a point c to be both an inflection point and a local extrema of a twice differentiable function? Why do you need continuity for the first derivative test? Come up with an example. Explain whether a concave-down function has to cross y = 0 for some value of x. Explain whether a polynomial of degree 2 can have an inflection point.
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