<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!
Yes quadratics are U-shaped
Answer:8.5
Step-by-step explanation: you divide 85 by ten and you will get your answer
Answer:
A. Determine how far from home the daughter is when her father
leaves.