### Home > CAAC > Chapter 3 > Lesson 3.1.5 > Problem 3-45

3-45.

Find a pattern in the points from the graph. Use the *y = mx + b* formula to find the rule.

Growth = *m*

The point *b* is the starting point, or where *y* = 0.

Rule: *y* = *x* + 3

3-45.

Find a pattern in the points from the graph. Use the *y = mx + b* formula to find the rule.

Growth = *m*

The point *b* is the starting point, or where *y* = 0.

Rule: *y* = *x* + 3