(a) Find the derivative of the function y = cos(cos(e*)) (b) Let h(x) = g(x)/f(x). Use the following table to find h' (3) and h' (2). 1 3 4 f(x) 3 1 f'(x) -5 -8 -10 g(x) 4. 1 3 2 g'(x) 2 10 20 15 20

Which of the following shows how to find the derivative of f(x)? A f'(x)= B. f'(x)= ⒸC. f'(x)= D. f(x)= -(x+18) -(x+18) (x+18) d (x+18) dx (x) + (x+18) (x + 18) (+18) (x+18) (x) (x+18) + 3) The derivative of f(x) = x+18 5 dx ld (d(x) S (x+18) 118)

Find the derivative of the function. y = (5x - 1)4(8x² - 1)-3 y' = 20(5x−1)3 (8x² - 1)³ 48(5x−1)4 (8x²-1) 4

Find and simplify the derivative of the following function. f(x) = - x+ 15 Which of the following shows how to find the derivative of f(x)? O A. f'(x) = a ) + (x + 15)| P'M= (+**15) **15) dx В. dx f'(x) = (x+ 15)? (x) (x+ 15) + (x)(x+ 15) dx d. (x) (x+ 15) - (x + 15) OD. dx dx t'(x) = (x+ 15)2 The derivative of f(x) = is x+ 15

Find the derivative of the function by first expanding or simplifying the expression. f(x) = (5x– 5)(4x+ 1) O A. f'(x) = 40x-25 O B. f'(x) = 40x – 15 O C. f'(x) = 40x - 7.5 O D. f'(x) = 20x – 15