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Question 4 (12 points) On a particular lake, the difference between high and low tide is 6 hours. At low tide, 6 a.m., a student measures a 1.4 m distance from the dock she is standing on, down to the water, two hours later, she measures the distance from the dock down to the water to be 1.29 m. At 9 a.m., the distance is 1.175 m down to the water. a) Determine the function for the distance from the dock down to the water with respect to the number of hours since midnight. b) Determine the distance to the water at 4:30 a.m. and 1:45 p.m