Question: (a) (6) Give a regular expression that describes all strings accepted by the automaton. (b) (10) Use a subset construction to construct DFA that accepts

(a) (6) Give a regular expression that describes all strings accepted

(a) (6) Give a regular expression that describes all strings accepted by the automaton.

(b) (10) Use a subset construction to construct DFA that accepts the same language. Clearly specify the transition table and the start and accepting states.

(c) (10) Explain concisely how you can use reachability in the graph to reduce the number of states as much as possible. You might need to draw the unreduced DFA first (for yourself, no need to submit) to better see what is going on. How many states do you end up with? Draw the resulting DFA (with the reduced number of states).

Consider the following 1-NFA. 2 a 2 0 9 1

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