Four wave functions are given below. Rank them in
order of the magnitude of the frequency, from least to greatest.
I. Y(x,t)=5sin(4x-20t+4)
II. Y(x,t)=5sin(3x-12t+5)
III. Y(x,t=5cos(4x+24t+6)IV. Y(x,t)=14cos(2x-8t+3)
- III, IV, II, I
- IV, II, I, III
- IV, I, II, III
- IV = II, I, III