# data[].attributes.body
all functions are relations but not all relations are function

# data[].attributes.body
Follows a certain rule or equation to produce an ordered pair

# data[].attributes.headline
functions are single valued. it will not give back multiple results for the same input

# data[].attributes.subject
functions are single valued. it will not give back multiple results for the same input

# data[].attributes.body
An input and its matching output are together called an ordered pair

# data[].attributes.headline
domain-all of the x-values for a relation or function

# data[].attributes.subject
domain-all of the x-values for a relation or function

# data[].attributes.body
x^2

# data[].attributes.body
x=vertical lines

on a graph

# data[].attributes.headline
range-all of the y-values for a relation or function

# data[].attributes.subject
range-all of the y-values for a relation or function

# data[].attributes.body
x=y

# data[].attributes.body
linear & quadratic functions

# data[].attributes.body
f(x)

# data[].attributes.body
y= mx + b