Use a sine function to describe the height of the tides of the ocean if high tide raises the water level to 5 m at noon and low tide drops it down to 1 m at 4 pm. Let t=0 be 12 noon.
a) h(t) = 2sin(πt/4)
b) h(t) = 2sin(πt/8)
c) h(t) = 3sin(πt/4)
d) h(t) = 3sin(πt/8)