I think it is non-statistical as it has only one possible answer
The required function C (m ) which represents the combined capacity of the two machines is 
What are functions?
- A connection between a collection of inputs and outputs is known as a function.
The given functions are:


Expanding the two square brackets in the following manner to calculate that sum:


Therefore, function C (m ) which represents the combined capacity of the two machines is 
Learn more about functions here:
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At first, Michael had 187 channels on his tv. Secondly, he got 9 MORE from the company. So that's 187 + 9 = 196 channels. But then he REMOVED 6 channels from the 196 channels so that's 196 - 6 = 190 channels.
So Michael have 190 channels left.
Hope this helps! :D