SkyHigh TV is a satellite television provider. They charge by the month. The first month of service costs $85.45. The second month of service costs $148.65. The third month of service costs $211.85. Write an equation in the form of y=c+d(x−1) to represent this situation. Explain your answer. please help im so lost on this test

Each month is increased by $63.10.

It definitely will become "SkyHigh".