(answer quick for brainiest)
which mapping diagram represents a function from x → y?

15 point ! ~ see if you know the answer to both you!

What is this inequality notation? t is less then or equal to 2

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?