PS: please if you don\'t know or have doubt please don\'t respond. this is part

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PS: please if you don't know or have doubt please don't respond. this is part of my midterm exam Pss: I beg you don't answer if you are not sure. let me know which one you have doubt 21. A C function must be both declared and defined. A) True B) False 22. Functions that don't return a value are known as empty functions. A) True B) False 23. A C function can have no parameters and still return a value. A) True B) False 24. A C function must either have parameters or return a value. A) True B) False 25. The function header consists of the return type, the function name, and the formal parameter list, in that order. A) True B) False 26. Function declarations are placed in each function that calls their function. A) True B) False 27. A function can be called multiple times within a block of code. A) True B) False 28. It is a poor programming practice to write a function that consists of only one statement. A) True B) False 29. When only one value needs to be passed back to the calling function, the preferred technique is to use a non-void function. A) True B) False 30. The following code exchanges the values in variables. x = y; y = x; A) True B) False

Explanation / Answer

A B B A B B B A A A

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