From c08875e298fa28145067d545553d4ccb216ec510 Mon Sep 17 00:00:00 2001
From: James Su <amagicalsoup@gmail.com>
Date: Wed, 16 Sep 2020 14:41:54 +0000
Subject: [PATCH] Add new file

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+## Unit 4
+
+Note: These notes are based off Sabrina's notes. A big thank you to her for providing me with these notes.
+
+## Definitions
+* `Amplitude`: Half the difference between **maximum** and **minimum** value of function.
+- Amplitude $`= (max - min) / 2`$
+- ALWAYS a positive value
+
+* `Periodic`: A function is periodic if it has a pattern of cycles that repeats at regular intervals
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