Answer:
Below.
Step-by-step explanation:
-√17 belongs to the Set of Real Numbers, and to the Set of Irrational Numbers.
For this case we have the following linear function:

Rewriting we have:

We observe that the linear function has:
Positive slope and equal to 2.
Intersection with the axis y equal to 6.
Answer:
y = 2x + 6
See attached image
For a 10 month period the last term is 10 and the series sum is 55. For a 15 month period the last term is 15 and the sum is 120. For a 20 month period the last term is 20.
If u want the sum then it is 210.
Hope this helps you!
2x+18+1-1 works if that's all you want
You use the formula a² +b² =c²
so 4² +b² =8²
solve for b