After completing the sailboat activity on Desmos. Which consisted of a sailboat tide simulation. In this simulation, one can control how high the tide rises or low the tide falls. All through the movement of a red dot that goes around a circle. When the red dot is located at 12 o’clock, the tide is at it’s highest point. When the tide is at it’s the lowest point the red dot is positioned at 6 o’clock.

In this Desmos activity, I was asked to trace two types of curves. To trace the curve one must move the red dot while the boat is in motion to control rise and fall of the tide. Depending on how fast or slow one decides to move the red dot around the circle. Will affect how wide or thin the curve of the graph would be as the boat is in motion. Here are some examples of the curved I have traces.

As you can see, I am not the best at this… This activity was cover the topic periodic functions. Can you think of another example where periodic functions can be used?

🙋🏻 I would say the use of air conditions over time on the hottest days of the summer.

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In a way, I can connect to the assignment A blog post which was about arc length and radius of a circle. As I learned as we move the red dot around the circle the arc length start to increase or decrease it depend on what way we moving the red dot.

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I heard earthquake graphs look like this as well. They make the surface bob up and down similar to a sailboat.

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