Free points+5 stars+thanks

Who is stronger and has better abs picture 1 or 2 (I'm 1)

How do you solve a question like this?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders