Question

You have $100 saved and a plan to save $20 each month. Write a rule for the amount saved (in dollars) as a function of the number of months from now.

x | y
0 | 100
1 | 120
2 | 140
3 | 160
4 | 180
5 | 200
6 | 220
7 | 240
8 | 260
9 | 280
10| 300
11| 320
12| 340

Answer 1

So months = x and amount of $ = y

Answer 2

first off, do you see a pattern here?

Answer 3

@atira

Answer 4

got it thanks