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Which variables exist at point A?

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Which variables exist at point A?

Which variables exist at point A? In other words, which variables are in scope at point A? Which variables could you type at point A and the program would still work?
O result only
O result, x, and y
O result, x, y, num1, num2, and MAX_NUMBER
O result, num1, num2, and MAX_NUMBER
O result, x, y, and MAX_NUMBER




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    1. Quizzma Team

      To determine which variables exist at point A, we need to know the scope of each variable in the program’s structure. Typically, variables declared within a function or a block are only accessible within that context.

      If `result` is defined at a higher scope (e.g., globally or within the same function), it would be accessible at point A. If `x` and `y` are defined in the same function or block as point A, they too would be in scope. Variables like `num1`, `num2`, and `MAX_NUMBER` will depend on where they are declared.

      So analyzing the options:

      – If `result`, `x`, and `y` are directly usable at point A, that implies they are in scope.

      – If all six variables (`result`, `x`, `y`, `num1`, `num2`, `MAX_NUMBER`) are needed, it suggests they are all in scope.

      Given the choices, the correct answer would usually be dependent on how these variables are declared. However, if we assume `result`, `x`, `y`, `num1`, `num2`, and `MAX_NUMBER` were all declared in a context accessible to point A, then the answer is:

      O result, x, y, num1, num2, and MAX_NUMBER

      This choice includes all possible variables that could potentially be in scope.

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