PLEASE HELP ME! I will not accept non sense answers. But, I will give BRAINLIEST for whoever gives the correct answer with full solutions.

The B

Step-by-step explanation:

n is The number of violence she make so n may start from 0 to positive infinity when you insert 0 f(0) be negative when you insert positive numbers you get positive so the answer will be integer

Hope it may give you clu or hint

x=half

step-by-step explanation:

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80