**1.**Recognize the notion of function through functional situations in mathematics, other sciences and daily life.**1.1**Recognize a function as the assignation of an element from one set to another, through a given rule.**1.2**Recognize a function as a set of ordered pairs.**1.3**Identify domain, codomain and range of a function.**1.4**Establish strategies to determine if a set of ordered pairs is a function, using the different representation systems.

**2.**Recognize finite and infinite sets.**2.1**Represent finite sets by means of mapping and Venn diagrams.**2.2**Represent finite sets by intensional and extensional definitions.**2.3**Represent functions in tabular charts.**2.4**Translate between tabular and graphic representation systems of infinite sets.**2.5**Observes behavior regularities of the function to approach its graph.

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