1.6 & 1.7: Relations and Functions

Front

What is a set of ordered pairs called?

Back

Relation

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values pair with it.

Front

Which Table represents the relation {(2,5),(-7,-7),(-1,-2),(5,-1)}?

Back

Table A

Front

Given f(x) = 3x + 7, find f(5).

Back

22

Front

Is the relation shown in the graph a function?

Back

No

Front

What is a function?

Back

A relation where each input (x-value) has exactly one output (y-value).

Front

What is the Vertical Line Test?

Back

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 the domain of a function?

Back

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

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for the function.

Front

If f(x) = 2x + 3, what is f(0)?

Back

3