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Question 189
Apply a Function Pointer Twice
Apply a Function Pointer Twice
Write int applyTwice(int (*f)(int), int x) that applies the one-argument function f to x, then applies f again to that result — in other words it returns f(f(x)). The functions increment (adds 1) and square are provided.
Do NOT write a main function.Expected Output:
7 81
= newline. The output ends with a newline — print one after the last line.
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