Inputs and outputs of a function Learn Worked example: matching an input to a function's output (equation) Worked example: matching an input to a function's output (graph)

Evaluating discrete functions Evaluate functions from their graph Worked example: evaluating expressions with function notation Evaluate function expressions > > >

About this unit A function is like a machine that takes an input and gives an output. Let's explore how we can graph, analyze, and create different types of functions. Unit guides are here! Power up your …

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Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.

The domain of a function is the set of all possible inputs for the function. For example, the domain of f (x)=x² is all real numbers, and the domain of g (x)=1/x is all real numbers except for x=0.

Course: Algebra 1 > Unit 8 Lesson 3: Functions and equations Equations vs. functions Obtaining a function from an equation Function rules from equations > >

Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.

Our function definition is now complete, but a function definition just defines how to perform a task. To actually perform that task, we still need to call the function.

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