Find f'(x) and simplify. f(x) = x / x +39 Which of the

Last updated: 7/16/2022

Find f'(x) and simplify. f(x) = x / x +39 Which of the following shows the correct application of the quotient rule? A.(x +39)(1)-(x)(1)/[x+39]² B. (x +39)(1)-(x)(1)/[x]² C.(x)(1)-(x +39)(1)/[x+39]² D. (x)(1)-(x +39)(1)/[x]² f'(x) =