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Suppose f is a function that returns the result of reversing the string of symbols given as its input, and g is a function that returns the...

1. Suppose f is a function that returns the result of reversing the string of symbols given as its input, and g is a function that returns the concatenation of the two strings given as its input. If x is the string abcd, what is returned by g(f(x),x)?
2.What ambiguity exists in the statement
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