Make x the subject of y = 4x + 1
You may use the flowchart to help you if you wish.
X
y

Step-by-step explanation:

y = 4x+1

y–1 = 4x

x = (y–1)/4

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

$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.