Answer: False
Step-by-step explanation:
degrees of freedom=(r-1)(c-1)
I don't know if I'm exactly right
if not sorry
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:

Step-by-step explanation:
We want to simplify;

We expand the bracket to obtain;

We now group the like terms to obtain;

We now simplify to get;

The correct answer is C