Please help! I am struggling in my math course.

That is a function so type y

Step-by-step explanation:

This is a one to one relationship and each input has one output so pick the 4th bubble D

I hope this helps

answer: no, but if it does it's a obvious pattern.

step-by-step explanation:

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540