In the table below, x represents miles traveled and y represents the cost to travel by train. Miles, x Cost, y 2 8.50
5 15.25
8 22.00
12 31.00
What is the y-intercept of this function?
2.25
4.00
6.50
17.13

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters