AMC 12 2003b Problem 20

Part of the graph of $f(x) = ax^3 + bx^2 + cx + d$ is shown. What is $b$?

Image:2003_12B_AMC-20.png

$\mathrm{(A)}\ -4 \mathrm{(B)}\ -2 \mathrm{(C)}\ 0 \mathrm{(D)}\ 2 \mathrm{(E)}\ 4$