Question: Help me solve this I'm I correct Differentiate the function. f(x) = (7x2 - 2x+1) (4x2 + 3x-9) Which of the following shows how to
Help me solve this I'm I correct

Differentiate the function. f(x) = (7x2 - 2x+1) (4x2 + 3x-9) Which of the following shows how to find the derivative of f(x)? d O A. f'(x)= dx (7x2 - 2x+ 1) (4x2 + 3x-9) + (7x2-2x+1)/ dx (4x2 + 3x-9) O B. f'(x) = -x ( 7X 2 - 2x + 1) (7* 2 - 2x + 1 ) + (4x 2 + 3x- 9 ) (4x2 + 3x - 9) (7*2 -2x+1) dx (4x2 + 3x- 9) - x (7*2 - 2x + 1) (4x2 + 3x - 9) O C. f'(x ) = (7x2 - 2x + 1) 2 d dx (7x2 - 2x + 1) (4x2 + 3x-9) - (7x2 - 2x+1) dx (4x2 + 3x - 9) OD. f'(x ) = (4x2 + 3x - 9) 2 The derivative of f(x) = (7x2 - 2x + 1) (4x2 + 3x -9) is 112x + 39x- - 130x+ 21
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