[A] A function f has following graph.

Choose the graph of f’.
1.Find the derivative from the table of average rates of change.
|
h
|
1
|
0.1
|
0.01
|
0.001
|
0.0001
|
|
Ave. rate of change of r over [3, 3+h]
|
3
|
3.42
|
3.467
|
3.49952
|
3.499995
|
|
h
|
-1
|
-0.1
|
-0.01
|
-0.001
|
-0.0001
|
|
Ave. rate of change of r over [3+h, 3]
|
4.7
|
3.54
|
3.512
|
3.50078
|
3.500003
|
r' (3) = ?