I think it may be the 2nd one but it’s just a guess… Please don’t take my word on it though!
A) y=55x+80
C) y=55(12)+80 = 740$ after a year
B)
Answer:
√122
Step-by-step explanation:
To find the distance/length between two points
Use this formula: 




No.
In the relation , y is not a function of x, because for the second input of x, there is two outputs of y. Each x-value can only have one corresponding y-value