Answer:
5x
Step-by-step explanation:
1 plus 4 is 5 and everyone is ordering the same thing, which is known as any variable, so in this case, x. So, you get 5x
f(5) = -2
From the graph: When x = 5, f(x) = -2
So: f(5) = -2
I think it is the 3rd one
The Red block is the answer
