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A detailed explanation of applying functions to text

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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 abcd, what is returned by g(f(x),x)? Explain your answer.

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Solution Summary

This solution provides a detailed explanation of how to apply a function to reverse a string along with a function to concatenate two strings together. The explanation is good for seeing how different functions can be composed together.

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The entire expression: g(f(x),x) means to first apply function f to x and then use the result as the first parameter to the ...

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