Ohio Mathematics Academic Content Standards (2001)
Patterns, Functions and Algebra Standard
Translate information from one representation (words, table, graph or equation) to another representation of a relation or function.
Grade Level Indicators (Grade 8)
Relate the various representations of a relationship; i.e., relate a table to graph, description and symbolic form.
Grade Level Indicators (Grade 9)
Define function with ordered pairs in which each domain element is assigned exactly one range element.
Generalize patterns using functions or relationships (linear, quadratic and exponential), and freely translate among tabular, graphical and symbolic representations.
Grade Level Indicators (Grade 10)
Define function formally and with f(x) notation.
Principles and Standards for School Mathematics
Understand patterns, relations, and functions
understand relations and functions and select, convert flexibly among, and use various representations for them;