Whe plaring pioblems, when the resua of an action depends on what was true pror lo the actien being takee, this in caled a strops assumption a heuristic a conditionat eflect a precondition QUESTION 21 Which of the following in FOT an example of heuehtse search? best-irnt tearchi branch-and-bound depth first search A4 QUESTION 22 When arc conts are equai, lowest-cost firt search equals bestifirst soarch aerathe deepeniog breadth-frst bearch depth-frot search Fhick Save and Submit to acoe and asbinit, Fiok Saxe de Anzwers fo save all anneers