Answer:
It is a function
Step-by-step explanation:
The x values are different; if they were to be the same, such as (1,7),(2,8),(1,9) it would be incorrect.
Answer:
r=0.5
Step-by-step explanation:
0.125r+0.25r-0.0625=0.25+r
0.375r-0.0625=0.25+r
0.375r-r=0.25+0.0625
-0.625r=0.3125
r=0.3125/0.625
r=0.5
You are being asked to make π the subject in

So divide both sides of the equation by

That is

The you have

or

I hope this is helpful?
Answer:
If it's the 5th sequence I would guess 2,5, and 11. Sorry if I'm wrong or if I misunderstood the question.
Step-by-step explanation: