From the given graph, we have the following points:
(x, y) ==> (3, 5), (2, 3), (1, 1), (0.5, 0), (0, -1), (-1, -3), (-2, -5), (-3, -7)
Let's find f(-3).
To find f(-3), we are to find the point on the graph when x = -3.
Using the graph, when x = -3, y = -7
Therefore, f(-3) = -7.
ANSWER:
f(-3) = -7