Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 21T
Related questions
Question
![a) Derive f(x)
f'(x) =
-
x6 = x + 1
x6 + x + 1
(5x6-1)
3
(x² + x + 1) ² ( x 6.
x+1
b) At what points does the graph of f have a horizontal tangent line? Give the x-coordinate of each point (use commas to list them).
x = I](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F215cb3f6-bc07-4b31-a07e-679c345e3904%2Fa0eb7bb9-2cab-4a8b-8dab-9728c483c33e%2Farbyxxg_processed.png&w=3840&q=75)
Transcribed Image Text:a) Derive f(x)
f'(x) =
-
x6 = x + 1
x6 + x + 1
(5x6-1)
3
(x² + x + 1) ² ( x 6.
x+1
b) At what points does the graph of f have a horizontal tangent line? Give the x-coordinate of each point (use commas to list them).
x = I
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