Question 2 (1 point) E Listen 4 A sine function has an amplitude of 3 and a vertical shift of 2 units down. The equation of the function is: a) f(x)= -3 sin x - 2 b) f(x)=3 sin x - 2 Oc) f(x)=-3 sin x + 2 Od) f(x) = 3 sin x + 2