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Define the following functions in Scheme (list-of-numbers? 1 st): a predicate function check if 1st is a list of numbers (length list): return the length

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Define the following functions in Scheme (list-of-numbers? 1 st): a predicate function check if 1st is a list of numbers (length list): return the length of the list 1st (append a list): append the a element to the list 1st (reverse 1 st): reverse the given list 1st

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