Please, do it step by step.

2. Consider the Following GTG: bb ab a + b 90 42 a a) Find an equivalent GTG with only 2 states. (5 Points) b) What is the language accepted by this graph. (5 Points) 3. What language is accepted by the following GTG? (10 Points) a+b 91 a+b* a+b a*+b+c 90 42