1. The problem statement, all variables and given/known data The function y(x, t) = Asin(kx−ωt+ϕ) where x is in metres and t in seconds for (a) tp = 3.5 s and (b) xp = 3.7m 3. The attempt at a solution I don't even know where to begin. I know λ = 2pi/k this is really disorienting. In the first graph, I'm given t = 3.5. A = 3 y(x,t) = 3sin(kx-3.5ω) In the second graph, y(x,t) = 3sin(3.7k - ωt) Really, I don't know how should I get started and I'm really frustrated. I'm asked to find the wavelength. Is it 7m based off the first graph or do I have to utilize t = 3.5 and x=3.7?