ANSWER QUESTION 7!

3. [20 Points] For each of the following languages over a,b design a DFA. (a) L w wE, where w does not have bbb as a substring). (b) L2w: we, where na(w mod 3 0 and w begins with ab (d) La"b": mn > 4) 7. [10 Points] Give a FA for L = Li uh, where Li and L3 are languages defined in question 3 above. Extra homework, NOT marked: Give a DFA for L