Find the point on the graph of f (x) = (3x + 9)/x + 9x (x > 0) at which the tangent line is horizontal. Upload your work in the next question. The x-coordinate of the point, rounded to the nearest hundredth, is

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 21T
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Find the point on the graph of f (x) = (3x + 9)/x + 9x (x > 0) at which the tangent line is horizontal.
Upload your work in the next question.
The x-coordinate of the point, rounded to the nearest hundredth, is
Transcribed Image Text:Find the point on the graph of f (x) = (3x + 9)/x + 9x (x > 0) at which the tangent line is horizontal. Upload your work in the next question. The x-coordinate of the point, rounded to the nearest hundredth, is
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