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UNIT
1
1.6: Discover Two-Step Functions
16.0: Students understand the concepts of a relation and a function, determine whether a given relation defines a function, and give pertinent information about given relations and functions.
17.0: Students determine the domain of independent variables and range of dependent variables defined by a graph, a set of ordered pairs, or a symbolic expression.
18.0: Students determine whether a relation defined by a graph, a set of ordered pairs, or a symbolic expression is a function and justify the conclusion.

## Today's Objective

Students will be able to identify the function of two-step number crunching machine.

# Key Vocabulary

Relation
Function
Graph
Range
Domain
Vertical Line Test
Ordered Pair
Dependent Variable
Independent Variable
Set
Expression
Substitute
Exponent
Order of Operations
Evaluate