Relations and Functions Exit Ticket

Front

Is this mapping a function or not a function?

Back

Function

Front

Which relation is NOT a function? {(1,-5), (3,1), (-5,4), (4,-2)}, {(2,7), (3,7), (4,7), (5,8)}, {(1,-5), (-1,6), (1,5), (6,-3)}, {(3,-2), (5,-6), (7,7), (8,8)}

Back

{(1,-5), (-1,6), (1,5), (6,-3)}

Front

Does this table represent a function?

Back

Yes, every input has exactly one output

Front

A function is a relation where each input has exactly ____ output.

Back

one

Front

Which table represents y as a function of x?

Back

Table 1

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the vertical line test?

Back

A method to determine if a relation is a function by checking if a vertical line intersects the graph at more than one point.

Front

If a relation has the pairs (2,3), (2,4), (3,5), is it a function?

Back

No, because the input 2 has two different outputs.

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.