The graph of f(x) is shown below .If g(x) and f(x) are inverse functions, which graph represents g(x)?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?