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.