   # In Problems 31-34, complete the following. Find the derivative of each function, and check your work by graphing both your calculated derivative and the numerical derivative of the function. Use your graph of the derivative to find points where the original function has horizontal tangent lines. Use a graphing calculator to graph the function and indicate the points found in part (b) on the graph. f ( x ) = ( x 2 − 14 x + 49 ) ( 2 x + 1 ) ### Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
Publisher: Cengage Learning
ISBN: 9781305108042

#### Solutions

Chapter
Section ### Mathematical Applications for the ...

11th Edition
Ronald J. Harshbarger + 1 other
Publisher: Cengage Learning
ISBN: 9781305108042
Chapter 9.5, Problem 32E
Textbook Problem
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## In Problems 31-34, complete the following. Find the derivative of each function, and check your work by graphing both your calculated derivative and the numerical derivative of the function. Use your graph of the derivative to find points where the original function has horizontal tangent lines. Use a graphing calculator to graph the function and indicate the points found in part (b) on the graph. f ( x ) = ( x 2 − 14 x + 49 ) ( 2 x + 1 )

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