function and relation

function and relation

by mark laforteza

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​Learning Targets

​1. define a relation and a function;

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​2. differentiate a relation and a function through real-life examples/experiences; and

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​3. find the domain and range of a function

​Relation

​-a set of ordered pairs

​Function

- a relation where there is only one value of y for each value of x.

​Domain

-the set of first values (x) in the ordered pairs

Range

-the set of second values (y) in the ordered pairs

Multiple Choice

a set of ordered pairs

• Domain

• Range

• Relation

• Function

Multiple Choice

What is a Function?

• ​a set of ordered pairs

• a relation where there is only one value of y for each value of x.

• set of first values (x) in the ordered pairs

• set of second values (y) in the ordered pairs

Open Ended

set of first values (x) in the ordered pairs

Fill in the Blank

_____ is the set of second values (y) in the ordered pairs.

​One-to-one

​one-to-many

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​many-to-one

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Multiple Choice

Which is an example of a one-to-one diagram?

Multiple Choice

The diagram at the left is an example of?

• one-to-one

• one-to-many

• many-to-one

• many-to-many

​Function or relation?

​1. (5,2), (3,4), (-2,-2)

​2. (3,2), (3,-6), (-2,5)

​3. (-1,-2), (1,-5), (-4,-2)

Fill in the Blank

The ordered pairs (1,5), (-2,3), (1,6), (3,3) is a function or relation?

Fill in the Blank

The ordered pairs (1,4), (-1,3), (2,6), (-3,3) is a function or relation?

Fill in the Blank

The ordered pairs (5,4), (-1,4), (2,4), (-3,4) is a function or relation?