Answer:
x values are never the same in a graph. try and do a vertical pencil check and if the pencil covers two plots then it not a function.
Step-by-step explanation:
Answer:
sin X
Step-by-step explanation:
sin X =
=
= 
Answer:
20% of $886.20 is 177.24 so the better deal would be 20% off
Step-by-step explanation:
Answer:
4n+6
Step-by-step explanation:
Answer:
There are 2 variables in the equation. The variables are y and n