please solve and show work

7) f ( x) = 4x5 3x3 + 3 8) f ( x) = - * 4 2.x4 - 4 A) f' (x ) = (3x) + 3) . 20x4 - 4x5 . 15x4 A) f'(x) = (2x4 - 4) . 4x3 - x4. 8x3 (3 x5 + 3) 2 B) f' (x ) = ( 2x* - 4) . 4x3 - x4. 8x3 B) f'(x) = (3x + 3) . 20x4 - 4x5 . 15x* ( x 4 ) 2 ( 4x 5 ) 2 C) f' (x) = 4x - 8x3 C) f'(x) - 20x4 - 15x4 (2x4 - 4)2 (3x5 + 3 ) 2 D) f'(x) = (3x + 3) . 20x4 - 4x5 . 15x* D) f' ( x ) = (2x4 - 4) . 4x3 - x4 . 8x3 (2x4 - 4)2 3x5 + 3 For each problem, find the indicated derivative with respect to x. 9) y=-5x' - 3x4 + 2x3 Find d'y dx 4 10) y= 3x + 2x4 - x2 Find dy dx dy A) dx 4 =-5x - 8 A) d'y dx 3 -= 180x2 + 48x B) dy- 4 A =-125x5 - 48x4 + 18x3 d' y B) dy 3 3 = 1875x5 + 512x4 - 16x2 day C ) d' y dx 4 =-31x ( dx3 = 3x3 + 2x2 - 1 D) -600x - 72 d'y dx D) dx3 =21x Differentiate each function with respect to x. 11) f (x) = (4x4+ 3)5 12 ) f (x ) = (5x3 + 3)5 A ) f' ( x ) = 5 ( 4 x 4 + 3 ) 4 A) f' (x ) = 15x2 B) f' (x ) = (4x4+ 3) 4. 16x3 B) f' ( x ) = 5 (5 x3 + 3 ) 4 C) f' (x ) = 5(4x4 + 3) 4. 16x3 C) f' (x ) = 5(5x3 + 3)4. 15x2 D) f'(x) = 16x3 D) f' (x) = (5x3 + 3)4. 15x2