Introduction to Functions - Part 2


Shows how to graph a function and how to determine the domain and range of a function.

Grades 6 through 8 Material from CK-12

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Standards

6.RP.A.3.A

Use ratio and rate reasoning to solve real?world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

HSF.IF.C.9

6.EE.C.9

Use variables to represent two quantities in a real?world problem that change in relationship to one another; write an equation to express one quantity, thought of as the dependent variable, in terms of the other quantity, thought of as the independent variable. Analyze the relationship between the dependent and independent variables using graphs and tables, and relate these to the equation.

8.F.A.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 8.)