Please ONLY complete #2 for each!

In problems I 4, the function f is given by a graph, and A(x) = ft) dt (a) Graph y A(x) for I S. (b) Esdmate the values of A(l), and A(4)_ (c) Esdmate the values of and A _ 1. finFig_11. y f(t) Fig. 11 2. finFig_12_ 2 2 Fig. 12 f in Fig. 13 Fig 4. f in Fig. 14. 2 y=qt) 234 Fig, 14