Access Point #: MAFS.912.F-IF.2.AP.5a (Archived Access Point)

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Given the graph of a function, determine the domain.


Essential Understandings


  • Pair domain numbers to positions on the x-axis of a coordinate plane.
  • Label the domain as positive or negative.
  • Understand related vocabulary: positive, negative.
  • Understand coordinate planes.
  • Understand the subsets of numbers (i.e., integers, whole numbers, natural numbers) within the real number system.

Number: MAFS.912.F-IF.2.AP.5a Category: Access Points
Date Adopted or Revised: 07/14 Cluster: Interpret functions that arise in applications in terms of the context. (Algebra 1 - Major Cluster) (Algebra 2 - Major Cluster)

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Related Standards

Name Description
MAFS.912.F-IF.2.5: Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes. For example, if the function h(n) gives the number of person-hours it takes to assemble engines in a factory, then the positive integers would be an appropriate domain for the function.

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Related Resources

Element Cards

Name Description
High School Math Element Cards:

Element Cards are available to assist in planning for instruction. They are designed to promote understanding of how students move toward the academic standards. Element Cards contain one or more access points, essential understandings, suggested instructional strategies and suggested supports.