Please answer fast. Brainliest goes to whoever can answer this question correctly and in a timely manner.

How do i do this activity, is appreciated

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

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest