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Unit 2

# 2.0 Unit 2 Overview

## Unit 2 Overview

In this unit, you will learn more about derivatives, how they are defined, and the basic derivative rules (and exceptions). As one of the core foundations of analyzing functions and change in calculus itself, it is of utmost importance to gain an in-depth understanding of this unit before moving forward to more advanced concepts.๐ This unit makes up 10-12% of the Calculus AB exam and 4-7% of the Calculus BC exam.
This list will be a good place to start in terms of self-assessing ๐ what you need to study or learn.ย  As you are looking through this list write down what topics you donโt remember or still need to learn.ย  You can then go to the full study guide page for each topic to get some more information!

### Main Topics and Sections:

Instantaneous Rate of Change (2.1)

The rate of change at a particular point.

Derivative Notation (2.2)

This notation is derived from the limit definition you learned in Unit 1. Rate of change at a particular point.
Think about the speed of something at a particular moment.ย  For example, if you were running a race, what is your speed at exactly 11 minutes?

Where Derivatives Exist (2.4)

There are 3 situations where a derivative doesnโt exist.ย  These places are where there is a discontinuity, a corner/cusp, or a vertical tangent.
Corner/Cusp
Vertical Tangent
Discontinuity

Power Rule (2.5)

For example, if you were taking the derivative of x^2, it would become 2x

Derivative Rule (2.6)

Sum Rule
Difference Rule
Constant Multiple Rule
Constant Rule

Derivatives of Trig Functions (2.7 & 2.10)

You will need to memorize these! ๐ง

Product Rule (2.8)

Use this when taking the derivative of two functions that are multiplied together:

Quotient Rule (2.9)

Use this when taking the derivative of two functions which are divided:

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