HELP!!
determine if the functions are inverses of each other using composition of functions

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why