Integrated 1 Week 5 (September 21-25) 1.2.1 What is the function?
Function Machines
In the previous lesson, you used equations relating two variables (like y=3-2x) to make graphs and find
information. Today you will look more closely at how what equation do I write? equations that relate two variables help establish a function
between the variables. You will also learn a new notation to help represent these functions.
1-33. ARE WE RELATED?
Examine the table of input (x) and output (y) values below. Is there a relationship between the input and output
values? If so, write an equation for this relationship.
-1
0
1
2
3
5
4
5
input (x)
output (y)
3 8
-4
-1
2
5
8
14
11