Functions (part one)

TN State Standards; 8th Grade                                              Approximate Time: 20 days

Define , evaluate, and compare functions.

1.  Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.(Function notation is not required in Grade 8.)

2.  Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a linear function represented by a table of values and a linear function represented by an algebraic expression, determine which function has the greater rate of change.

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