The graph shows a linear relationship between the height and years of a plant’s growth. Find the rate of change. Select all that apply.

1. The rate of change of a linear function is always the same.

2. The rate of change of a linear function increases as the input increases.

3. The rate of change from 2 years to 4 years on the graph is 1.5 inches per year.

4. The rate of change from 0 years to 6 years on the graph is 1.5 inches per year.