Solve the questions below. This is grade 12 functions so no calculas allowed.

Part d) Explain how you solved each part step by step

Question 2 (12 points) The water depth in a harbour is 24m at high tide and 12m at low tide. Three cycles are completed in approximately 36 hours. [This question has 3 parts - a), b) and c)]. a) Write a sinusoidal equation to represent the depth of the water, W, in feet with respect to time, t, in hours assuming high tide occurs at 2pm which is represented by t = 0. [4 marks] b) Sketch a graph for the domainO _ t