The rise between the slope is 4

The slope of a line is calculated using the formula:

\[ \text{slope} = \frac{\text{rise}}{\text{run}} \]

Given that the rise is 4 and the run is 2, we can compute the slope as follows:

\[ \text{slope} = \frac{4}{2} = 2 \]

So the correct answer is:

B 4/2