7.7.1 Equations and Functions

Definitions

• Relation --> A set or group of ordered pairs
• Function --> A relation in which each input (what you plug into the equation) has exactly one output (the answer)
• Function Rule --> The operation(s) performed on the input value to get the output value
• Function Table --> A way of organizing the input, output, and function rule
• Domain --> The set of input values (all numbers that you'll plug into the equation)
• Range --> The set of output values (all numbers that you get for the answer)