Rule, table, and graph
Change per step2
Start1
Rule: y = 2x + 1
| x | y |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 7 |
Changing the start moves every point up or down, including the point where x is 0. Changing the step changes the rise between points. The rule, table, and graph stay linked.