Identify the dependent and independent variables in a given situation, including situations involving change over time.

Describe the rule that determines the values of the dependent variable from values of the independent variable.

Represent corresponding values of the independent and dependent variables of a function in a table of values and as points in the Cartesian plane.

Write an algebraic expression that represents a function.

Recognize various representations of the same function.

Determine a value of the dependent variable of a function given the corresponding value of the independent variable.

Investigate strategies for determining a value of the independent variable of a function given the corresponding value of the dependent variable.

Solve problems involving a function.