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Brandon Works for a Courier Service

Question 209
Multiple Choice

Brandon works for a courier service. In creating his route each day he starts by selecting the address closest to the dispatch office. Once he makes that delivery he checks the remaining addresses and picks the one closest to his current location. He follows this process for all his remaining deliveries for the day. Brandon's strategy for building his daily delivery route is closest to A) working backward. B) availability. C) hill climbing. D) trial-and-error.

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Q 210
In a video game there are a number of instances where players must retrace their steps in order to reach the final solution for the game. In this situation, one of the WORST problem-solving heuristics to use would be A) working backward. B) searching for analogies. C) forming subgoals. D) hill climbing.
Q 211
Working backward is a good strategy to follow when A) a problem has obvious subgoals. B) you can recognize the similarity between two problems. C) the problem does not have a well-specified goal. D) you have many options available at the beginning of a problem, but few options at the end.
Q 212
In which case would working backward to solve a problem be an effective strategy? A) when a problem has a well-defined endpoint B) when a problem is unsolvable by heuristics C) when it is necessary to change the representation of a problem D) when a problem has multiphasic branch points
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