Find f x and find the value s of x where the tangent line is

Last updated: 12/17/2023

Find f x and find the value s of x where the tangent line is horizontal f x x 14x 63 f x X 7 7 2 x 14x 63 Select the correct choice below and fill in any answer boxes in your choice O A The value s of x where the tangent line is horizontal is Use a comma to separate answers as needed OB The tangent line is never horizontal