Relations & Functions - 2021

Front

Is this a function?

Back

Yes, a function is a relation where each input has exactly one output.

Front

A relation where every input yields one and only one output is called what?

Back

Function

Front

Is this graph a function or not a function?

Back

Not a Function

Front

Which graph does NOT pass the vertical line test?

Back

Graph 1 does not pass the vertical line test.

Front

Is this graph a function or not a function?

Back

Function

Front

What is a function?

Back

A function is a special type of relation where each input is associated with exactly one output.

Front

What is the vertical line test?

Back

The vertical line test is a method to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.

Front

What is a relation?

Back

A relation is a set of ordered pairs, where each pair consists of an input and an output.

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs, but each input must have only one output.

Front

What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for the function.