Question 33 (1 point) A cosine function has a horizontal stretch by a factor of 4, and a phase shift of 5 units to the left. The function is: O a) f(x) = cos(x + 1) Ob) f(x) = cos(4x + 3) Oc) f(x) = cos (4x + 5) Od) f (x) = cos (4x + 5)