x=y+4 is the same as y=x-4
all non vertical lines are functions,
this is a non-vertical line (x=3 is a vertical line)
This is a function
when you pick any value for x, there is only 1 value for y
Adriane Ronn C.
asked 08/30/18
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.