<h2>
Hello!</h2>
The answer is:
The second option,
b.) 
<h2>
Why?</h2>
We are given the functions E(x) and K(x), since they both are function of the same variable, we need to add them in order to find the correct option.
From the statement we know the functions:

and

So, adding the functions we have:




Hence, the answer is the second option,
b.) 
Have a nice day!
I am thinking A) Or B) because iPlease chose as best if i am wrong please don't be mad most of my stuff is correct
Answer:
A^2+B^2=C^2
Step-by-step explanation:
12=a
16=b
this is the pythagoreon theorem
What is the rest of the question?