Which of the following is a correct and complete function definition? a. double funct(double x) { return 2*x; } b. double funct(Int x) { return (x-3); } c. int funct (x) { return (++x); } d. int funct (int x); e. void funct(x=7) { return 8; } f. void funct(int x=7) { return x/3; }
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Which of the following is a correct and complete function definition?
a. |
double funct(double x) { return 2*x; } |
|
b. |
double funct(Int x) { return (x-3); } |
|
c. |
int funct (x) { return (++x); } |
|
d. |
int funct (int x); |
|
e. |
void funct(x=7) { return 8; } |
|
f. |
void funct(int x=7) { return x/3; } |
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- Mark the following statements as true or false: a. To use a predefined function in a program, you need to know only the name of the function and how to use it. (1) b. A value-returning function returns only one value. (2, 3) c. Parameters allow you to use different values each time the function is called. (2, 7, 9) d. When a return statement executes in a user-defined function, the function immediately exits. (3, 4) e. A value-returning function returns only integer values. (4) f. A variable name cannot be passed to a value parameter. (3, 6) g. If a C++ function does not use parameters, parentheses around the empty parameter list are still required. (2, 3, 6) h. In C + + , the names of the corresponding formal and actual parameters must be the same. (3, 4, 6) i. A function that changes the value of a reference parameter also changes the value of the actual parameter. (7) j. Whenever the value of a reference parameter changes, the value of the actual parameter changes. (7) k. In C++, function definitions can be nested; that is, the definition of one function can be enclosed in the body of another function. (9) l. Using global variables in a program is a better programming style than using local variables, because extra variables can be avoided. (10) m. In a program, global constants are as dangerous as global variables. (10) n. The memory for a static variable remains allocated between function calls. (11)void fx(char ch) is a function with no return value int fx(char x) is a function with int return value int fx(char &x) is a function with parameter passed by value char fx( int x) is a function with int return valuefunc(X) {return x++;} void func(x) {printf("hi");} QUESTION 14 Which is from the following is not a function prototype? int funct(char x, char y); funct(x); void funct(void); char x(int y); Click Save and Submit to save and submit. Click Save All Answers to save all ai
- 1-int fx(char &x) is a function with parameter passed by value(False/True) 2-int fx(char x) is a function with int return value(False/True) 3-void fx(char ch) is a function with no return value(False/True) 4-char fx( int x) is a function with int return value(False/True)true false void ffx() is a function with no return value void ffx() is a function with no argument int ffx(char x) is a function with int return value int ffx(char *x) is a function with parameter passed by reference char ffx( int x) is a function with int return value int ffc(char &x) is a function with parameter passed by referenceTrue or False 1-int fx(char x) is a function with int return value 2-int fx(char &x) is a function with parameter passed by value 3-void fx(char ch) is a function with no return value 4-char fx( int x) is a function with int return value
- operators are overloaded when there are too many variables in the function.Parameters are the value passed to a function when the function is called and Argument are the variable defined in the function definition. True or falseThe statement in line1 is an example of int squareT (int x, int y) //line1 { if (xQuestion 3 Formal parameters of a function are available outside the function. True False Question 4Find any errors in the following function definition: void fun (int, x) { return; } // funWhat is the difference between a formal parameter and an argument? Group of answer choices A function’s argument is referred to as the formal argument to distinguish it from the value that is passed in during the function call. The parameter is the passed value. A function’s parameter is referred to as the formal parameter to distinguish it from the value that is passed in during the function call. The argument is the passed value. A function’s parameter is used for passing by reference. The argument is used for passing by value. A function’s parameter is used for passing by value. The argument is used for passing by reference. They are identical but using different terms.SEE MORE QUESTIONS