Consider the state space graph below. Goal states are those colored in green. Nodes are expanded from left to right when there are ties. What solution path is returned by DFS?

Which of the following best defines a rational agent in AI?

The following search problem has five states, and seven directed edges.

is the start node

and

In the context of search algorithms, which of the following issues is determined by the number of steps it takes to find a solution?

The following search problem has five states, and seven directed edges.

is the start node

and

The following search problem has five states, and seven directed edges.

is the start node

and

For each of the following search algorithms, which data structure is suitable for implementing the frontier?