(Click on the graph to see a larger version in a separate window.)

Use the graphs of $f$ (in blue) and $g$ (in red) to answer these questions:

(A) What is the value of $f$ at -5?
(B) For what values of $x$ is $f(x) = g(x)$? (Separate your answers with commas.)
(C) Estimate the solution of the equation $g(x) = 4$.
(D) On what interval is the function $f$ decreasing? (Use interval notation for your answer.)