Find the coordinates of all of the points on the graph of y = f(x) that have horizontal tangents. f(x) = 9x – x? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The point(s) is/are (Type an ordered pair, using integers or decimals. Use a comma to separate answers as needed.) O B. There are no points that have horizontal tangents.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 90E
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Find the coordinates of all of the points on the graph of y = f(x) that have horizontal tangents.
f(x) = 9x – x?
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. The point(s) is/are
(Type an ordered pair, using integers or decimals. Use a comma to separate answers as needed.)
O B. There are no points that have horizontal tangents.
Transcribed Image Text:Find the coordinates of all of the points on the graph of y = f(x) that have horizontal tangents. f(x) = 9x – x? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The point(s) is/are (Type an ordered pair, using integers or decimals. Use a comma to separate answers as needed.) O B. There are no points that have horizontal tangents.
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