A 2-3 tree contains a single element. How many nodes will the tree have after a new element is inserted?
a) 0
b) 1
c) 2
d) 3
e) It is not possible to predict the number of nodes
b) 1
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Which of the following is an argument in favor of ethical egoism?
a. Ethical egoism is supported by verses in the Bible. b. People are naturally altruistic. c. The community can benefit when individuals put their well-being first. d. It is not true that people naturally act in their own long-term self-interest. e. Ethical egoism treats all persons as moral equals.
Define a class RobotArm that includes a data component, handOpen, that is either true or false and another private data member, position, that is a position in three dimensions. Include three constructors, a default constructor, a constructor that takes 2 parameters (one for the hand state and one for the position) and a constructor that takes four parameters (the hand state and the x, y, z coordinates of the position ). Assume that your program includes the definition of class Position3D defined above.
What will be an ideal response?