5+(-4)= 1
14+(-13)= 1
So the answer is B. =
I hope this helps
Answer:

Step-by-step explanation:
Given :

Now,

Therefore, expression is equivalent to 
Answer:
The answer is C
Step-by-step explanation:
We have f(x) function as below:

and the converted function g(x) is as mentioned below:

We can observe that:
f(x)=-g(x)
Therefore it can be said that this function reflected horizontally.
Note: please check the plot attached.