Answer:
function
Step-by-step explanation:
It's a function because the input values {1, 2, 3, 5} are all different.
A function
This relation is a function because every x input has exactly one y output
The answer is 12 :)
23 1/4
1st and 2nd pictures are for finding area and 3rd picture is for finding perimeter
hope you understood well and if not and you can ask again
Not always.
brainly.com/question/18051242?referrer=fromSearch