x² -1 Example: Let f(x): x' +1 %3D What is the domain? Determine the sign of the function as x varies. Where is f positive?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.1: Inverse Functions
Problem 26E
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x² -1
Example: Let f(x) =
x? +1
What is the domain?
Determine the sign of the function as x varies.
Where is f positive?
Where is fnegative?
Where is fequal to zero?
Does f demonstrate symmetry?
Transcribed Image Text:x² -1 Example: Let f(x) = x? +1 What is the domain? Determine the sign of the function as x varies. Where is f positive? Where is fnegative? Where is fequal to zero? Does f demonstrate symmetry?
Find the first derivative of f.
f'(X) =
Determine the sign of the first derivative function as x varies.
Where is f' positive?
Where is f'negative?
Where is f' equal to zero?
What do these qualities of the first derivative tell you about the function?
Transcribed Image Text:Find the first derivative of f. f'(X) = Determine the sign of the first derivative function as x varies. Where is f' positive? Where is f'negative? Where is f' equal to zero? What do these qualities of the first derivative tell you about the function?
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