A local gym charges a one-time registration fee and a monthly membership fee.
The table below shows the total cost (y) for a certain number of months (x).
| Months (x) | Total Cost (y) |
|------------|----------------|
| 2 | $130 |
| 4 | $210 |
| 6 | $290 |
Which of the following linear equations models the total cost for x months of membership?
