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)Write a function that asks the user for their birthday month and day and then the function should call a nested function to find out the person’s zodiac sign. Test your program with some user input. Aries: March 21 - April 19 Taurus: April 20 – May 20 Gemini: May 21- June 21 Cancer: June 22- July 22 Leo: July 23 – August 22 Virgo: August 23 – September 22 Libra: September 23 – October 23 Scorpio: October 24 – November 21 Sagittarius: November 22 – December 21 Capricorn: December 22 – January 19 Aquarius: January 20 – February 18 Pisces: February 19 – March 20In C, write a function that gets two ints a and b. If a>b the function returns a^3 + b^2, and otherwise it returns a^2 + b^3. int square_cube (int a, int b); For example: square_cube (1,2) should return 1 + 8 = 9. square_cube (10, 3) should return 1000 + 9 = 1009. square_cube (2, -1) should return 8 + 1 = 9. square_cube (-2, -1) should return 4 - 1 = 3.
- A)Write a function that accepts a number(long) and return a boolean value, it will return true if the number is valid and false otherwise.Valid code is determined according to the following rules:1. The number length is at least 3 digits and at most 5 digits.2. All the digits must be between 1 and 5 (inclusive).3. The sum of the digits must be odd number.Consider the following function. int my_func(int a) { return(a+3); } If the function is called using my_func(5), what will the function return?Write a function argument_count that accepts an integer i, followed by any number of additional arguments. The function should returnTrue if the value given to i is equal to the number of arguments that follows it, and should return False otherwise.
- Write a function that takes three integers namely a, b, and c as parameters. The function shouldreturn the minimum difference between any two of those. (Example: a:5 b:3 c:9 function returns 2)I want answer in C Language Write a function to convert temperature from Fahrenheit to Celsius named “ConvertFtoC” that takes one double value for Fahrenheit as argument, and returns the equivalent temperature in Celsius(type double). Create a program that exercise this function by obtaining a Fahrenheit value from the user, calling the function, and displaying the value of Celsius it returns. [Formula: Celsius = (Fahrenheit – 32 ) * 5/9 ]In c++ write a function, reverseDigit, that takes an integer as a parameter and returns the number with its digits reversed.For example, the value of reverseDigit(12345) is 54321;the value of reverseDigit(5600) is 65;the value of reverseDigit(7008) is 8007;and the value of reverseDigit(-532) is -235.
- using C-programming; Write the following functions that compute the volume and surface of a sphere with radius r; a cylinder with circular base with radius r and height h; and a cone with circular base with radius r and height h. Place these functions in appropriate class. Define π (PI) as a constant variable equals to 3.14 then use it in the functions. float sphereVolume(float r)float sphereSurface(float r)float cylinderVolume(float r, float h)float cylinderSurface(float r, float h)float coneVolume(float r, float h)float coneSurface(float r, float h) Now, prompt the user for the values of r and h, call the 6 functions, and print the result.Write a prt() function definition that accepts an argument copied into y and return nothing17. A function should determine the average of x and y. What should be the function's parameters and return value(s)? A.Parameters: none Return values: X,y B.Parameters: ×, y, average Return value: none C.Parameters: average Return values; X, y D.Parameters: X, y Return value: average