Answer:
4
Step-by-step explanation:
The equation is asking you "what is Y when X is 2?". The line on the graph passes through the point (2, 4) where X is 2 and Y is 4.
Therefore, f(2)=4
f(2) =4
To find f(2), we want to find the y value when x=2
Using the graph f(2) =4
