The tides in the Bay of Fundy are some of the largest in the world. They can oscillate between 3.5 meters and 16 meters high. The formula that models this is:
height = 6.25 cos16⁢π⁢t+9.75
where t is the time in hours. Graphing this equation and looking at the slope of the curve tells us how fast the tides are rising or falling.
Click anywhere on the function or move the slider to see the instantaneous rate of change (how fast the tide is rising or falling) at that moment in time.
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