Answer:
5
Explanation:
There are two ways to solve the problem. First, you can use the formula,
Plugin each of the values and solve. This gets you
, or
. Then simplify to get 5. Or, to solve you can simply count. In between 4 and -6, there are 10 units and in between 1 and -1, there are 2 units. So, that is 10/2 which is 5.