Linear Algebra: Inverse of a Function, Surjective and Injective Functions

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A series of linear algebra lectures given in videos.

Linear Algebra: Introduction to the inverse of a function Proof: Invertibility implies a unique solution to f(x)=y
Proof: Invertibility implies a unique solution to f(x)=y for all y in co-domain of f. Surjective (onto) and Injective (one-to-one) functions
Introduction to surjective and injective functions Relating invertibility to being onto and one-to-one
Relating invertibility to being onto (surjective) and one-to-one (injective)

Determining whether a transformation is onto