For the function illustrated above, identify the concavity and whether the function is increasing or decreasing on the intervals indicated below.

(a) On $[A,B]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .
(b) On $[B,C]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .
(c) On $[C,D]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .
(d) On $[D,E]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .
(e) On $[E,F]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .
(f) On $[F,G]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .
(g) On $[G,H]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .
(g) On $[H,I]$, the function is ? increasing decreasing not increasing or decreasing and ? concave up concave down not concave up or down .