Matrices as Functions
Study Guide Overview
This AP Precalculus study guide covers matrices as functions , specifically:
- Linear transformations and their matrix representations, including the significance of unit vectors and the standard basis .
- Rotation matrices , counterclockwise and clockwise rotations, and transformation equations.
- Determinants and their relationship to dilation and reflection.
- Composition of linear transformations and matrix multiplication.
- Inverse transformations and inverse matrices , including the identity matrix .

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