Question 24 (1 point) () Listen Find the open interval(s) where the function is changing as requested. Decreasing; f(x) = x+3 X - O A) ( -00, 4) , (4, 00) O B) ( -00, 3 ) , (3 , 00 ) O C) ( -00, - 4 ) O D) NoneQuestion 25 (1 point) ) Listen Use implicit differentiation to find dy/dx. x3 + 3x2y + y3 = 8 O A ) x2 + 3xy x2 + y2 O B) x2 + 2xy x2+ v2 OC - x 2+ 2xY x2 + v2 O D) - X4 + 3xy x2 + v2Question 26 (1 point) () Listen Find y ! y = (4x - 2)(3x + 1) A) 12x - 2 O B) 24x - 10 O C) 24x - 2 O D) 24x - 1Question 27 (1 point) ) Listen Decide whether the limit exists. If it exists, find its value. lim f(x) x -1+ -2- -3- O A) Does not exist O B ) ( C) 4 ( D) 3Question 28 (1 point) ) Listen Find the derivative of the function. y = In (8 + x2) O B ) x O c) 2x x2 + 8 O D) 16 XQuestion 29 (1 point) () Listen Find the derivative. s = t tant - t O A) de = 3 sec2 t + 3t2 tan t - - O B) de = - t3 sec2 t + 3t2 tant + . O c) ds as = 3t2 sec2 t - 1 O D) ds = 13 sec t tant + 3t2 tan t