questions 228,230 and 232 only

For the following exercises, find ay dx for each function. 228 . y = (3x2 + 3x - 1)4 229 . y = (5 - 2x) -2 230 . y = cos' (RX) 231 . y = (2x3 - x2 + 6x+ 1)3 232 . y = sin (x) 233 . y = (tan x + sinx) -3 234 . y = x2cos4x 235 . y = sin (cos 7x) 236 . y = V6 + sec nx2 237 . y = cot' (4x + 1) 238 . Let y = [f(x)] and suppose that f' (1) = 4 and dx dy = 10 for x = 1. Find f (1)