Carpt of Fun Tutor Click on the question mark. Then decide if the relationship is a
function.
Each school (input) has one
principal (output).
Function
Not a function
Sarielis Arroyo
Each student (input) has a unique
student ID number (output).
Shoe manufacturers (input) make
different types of shoes (output).
Each month of the year (input).
has a total amount of rainfall
measured in inches (output).