Question 5 (1 point) If f(x) = (cos(x3))4 then f(x) equals O a) f'(x) = 4(cos(13))3(- sin(x3)) (3x?) Obj f'(x) = 4(cos(x3) )3(- sin(z?)) f'(x) = (cos(x3))*(- sin(x3)) (312 ) O d) f'(x) = 4(cos(x3))3(sin(r3)) (312) Oe) None of the above