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An example of composing string functions

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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 concatenation of the two strings given as its input. If x is the string hrwa, what is returned by g(f(x),x)? Explain your answer - don't just provide the result!

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The function f(x) will reverse a string of characters. So if the
string "abc" is given the result will be ...

Solution Summary

This solution provides a detailed explanation of the evaluation of two string functions.