Answer:
Function
Step-by-step explanation:
The reason it is a function is because its saying y=x. Then you just plug in the number(s) to get the function y=4.PLEASE MARK BRAINLIEST thank you!!!!!!!!!
A.
Because I used the Internet.
:)
243 ft2
9*3= 27
3*3= 9
27*9=243 ft2