Answer=49
The dot in the middle represents the median
In order to be differentiable everywhere, 
must first be continuous everywhere, which means the limits from either side as 
must be the same and equal to 
. By definition, 
, and
so we need to have 
.
For to be differentiable at 
, the derivative needs to be continuous at , i.e.
We then need to have
Then
Answer:
5x-18
Step-by-step explanation:
2x+3x-18
5x-18
if ur in college how do u not know this :P
