To be a function each different x value would have a different Y value.
First one is a function, there are no repeated Y values.
The second one is a function.
Third one is not a function because it has two identical Y values with different x values.
The fourth one is a function.
I'm sorry I need the points lol anyways I hope you got the answer to it
Answer:
look above
Step-by-step explanation:
hope it helps
Answer:
The first one is either 88 feet or 90 feet
Step-by-step explanation:
Answer:
Step-by-step explanation:
You can set this up by reversing it.
(9+4)- (x/2)
(13)-(x/2)
(13)-(2x)
=11x
