Question

The depth of the ocean at a swim buoy can be modelled by the function 𝑑(𝑡) = 2 sin ((𝜋/12)𝑡) + 3 , where d is the depth of water in metres and t is the time in hours, t∈[0,24]. If t = 0 corresponds midnight, what is the depth
of water at 2 pm?

Answer 1

just plug in t=14