Can somebody answer this?

x ≥ 0

Step-by-step explanation:

The domain is  the input values for the function

In this case it is what x can equal

In looking at the graph, x is greater than or equal to zero

x ≥ 0

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.