Mark (using rectangular box(s)) the scope region of the variable x, which is the formalparameter of unknown in the following function:(define (unknown x)(define (unknown1 x)(* x x)))
Question
Mark (using rectangular box(s)) the scope region of the variable x, which is the formalparameter of unknown in the following function:(define (unknown x)(define (unknown1 x)(* x x)))
Solution
The scope of the variable x, which is the formal parameter of the function 'unknown', starts from the point where it is declared and ends at the end of the function where it is declared. In this case, it is the entire 'unknown' function. Here is the scope marked:
(define (unknown x) <--- Scope starts here
(define (unknown1 x)
(* x x)))
<--- Scope ends here
Please note that the variable 'x' in the function 'unknown1' is a different 'x'. It has its own scope which is within the 'unknown1' function.
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