1.03 Toolbox - MDFL Linear Functions Vocabulary (page 1 of 6) Help Video and work space: values with describes a relationship between numbers and airs values. Video: https://bit.ly/MDEL103AA The of a relation is the possible input values, or . The is the possible output values, or of the relation. Graphically, we can check if a relation is a function with the test. When an equation is a function it is written in notation. We often use the notation f(x) in place of the variable "_ When a function changes at a rate, a equation can be written to model this change. Help Video and work space: Evaluating Functions (page 2 of 6) Video: https://bit.ly/MDFL103BB Example: For the function g(x) = 4x - 1, determine g(1/2). Video: https://bit.ly/MDFL103CC Example: Given the function f(x) = 5x + 6, solve for f(x) = - 4