Answer:

Step-by-step explanation:

Given equation is 
Now it says to find f(2)
that simply means plug x=2 because we see that 2 is written in place of x in f(x) and f(2)



Hence final answer is 
Answer:its -10 and 10 that is marked
Step-by-step explanation:
The answer should be B.
I used a calculator called photomath, its an app.