1. ## identify or sketch

identify or sketch each of the quantities on the figure
a) f(1) and f(4)

How do I identify it?

http://www.mathgraphs.com/cwp2e/cwp2emg0400.pdf

2. Is there more to this question?

I would say the images of 1 and 4 then.

3. Does this help?

y = f(x)

Also note the coordinates on the graph are in the form (x, y).

4. Originally Posted by Grep
Does this help?

y = f(x)

Also note the coordinates on the graph are in the form (x, y).
Thanks I got it.