11. (10pts) Suppose a power series f(x) = > an(x + 2)" converges for x = -5 and diverges for x = 4. (a) What is the smallest possible interval of covergence for the power series. Draw on number line and give interval notation. (b) What is the largest possible interval of convergence for the power series. Draw on number line and give interval notation. (c) Does the series converge, diverge or not enough info (NEI): ( E( 5)"an ? (1) _(-1)" an (7)"? (ii) Can(-2) "? 7-1 71-1 7-1