True and False. (1) _A function f is continuous at x = a if and only if limf(x) = f(a). y=x² -10x+5 (2) The function has a horizontal tangent line at x=5.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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These are true or false questions.

True and False.
(1)
A function f is continuous at x = a if and only if limf(x) = f(a).
y=x² -10x+5
(2)
The function
has a horizontal tangent line at x=5.
Transcribed Image Text:True and False. (1) A function f is continuous at x = a if and only if limf(x) = f(a). y=x² -10x+5 (2) The function has a horizontal tangent line at x=5.
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