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# Function Notation

by Patricia Flores

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Function
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Notation
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by Author Name
Activity time: 60mins
Vocabulary
Define Each of the following in you own words

Function:

Domain:

Range:
Directions:
What's the pattern?
We can use lots of different words to describe function rules that we see, but today we need to learn
how to write the rules like “Mathematicians.” Look over the table below and answer the following
quesitons.
Think
Is this a function?
__________________

What is the rule? (don’t forget to finish the table)
___________________________________________________

What is the domain of the function?
_____________________________________

What is the range of the function?
___________________________________

Look at the “x” row in the table and the rule you wrote above. What does it mean? Use the
sentence frame below to help you explain.

For every input value, I need to _________________________________________
_________________________________ to get the output value.
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