Suppose that the bag class is efficiently implemented with a fixed array with a capacity of 4000, as in Chapter 3 of the class text. We execute these statements: bag b; b.insert(5); b.insert(4); b.insert(6); b.erase_one(5); Group of answer choices b.used is 2, b.data[0] is 4, b.data[1] is 6  b.used is 2, b.data[0] is 6, b.data[1] is 4 b.used is 3, b.data[0] is 4, b.data[1] is 6  b.used is 3, b.data[0] is 6, b.data[1] is 4

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Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.