Answer:
f(1) = 0
Step-by-step explanation:
When it asks for f of something, it means f(x). We want to find out what f(1) is so we can look at the graph and find a point with x as 1.
We see that there is a point on the graph with x as 1 and y as 0.
Check the picture I uploaded to see where the point is.
So we can conclude that f(1) is 0.
