Please and thank you for 20 points

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

If two points are given,then exactly one line can be drawn through those two points.which geometry term does the statement represent

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {