In C Write the function definition of a function named “sale”as follows: The function accepts two arguments of typefloat, one is the item total and the other is the sale taxpercentage (out of 100%). The function should returnthe amount of tax calculated for the purchase.
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In C Write the function definition of a function named “sale”
as follows: The function accepts two arguments of type
float, one is the item total and the other is the sale tax
percentage (out of 100%). The function should return
the amount of tax calculated for the purchase.
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- Why do you need to include function prototypes in a program that contains user-defined functions? (5)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)In C Write the function definition for a function named “bet” that has no parametersand returns an integer. The function repeatedly asks the user for a value until avalue divisible by seven is entered, the function then exits and returns thenumber of attempts by the user to get such a number.
- C++ programming Write a function prototype for a function named add that accepts two arguments of type int and double and returns a value of type double.In C++ Write a function header ( and only the header ) for the following : Function named squared that takes two integer parameters named num1 and num2 and returns the calculated squared calculation , which is an integerdone in c++ Program Specifications: Write a program that asks for a user's name and age, finds the ticket price based on the age, and prints out the user's name, age, and ticket price. The program must define the following 3 functions and call them in the main function. Create a function called getName that takes in no arguments and returns the name of the user. Create a function called getAge that takes in the argument age and uses pass-by-reference to set the age of the user. Ensure that the user cannot put in an age that is negative or greater than 100. Create a function called printTicket that takes in the user's name and age and does the following ○ If they are less than or equal to 13 years old set ticket_Price to 9.99. ○ If their age is greater than 13 and less than 65, set ticket_Price to 19.99. ○ If their age is greater than or equal to 65, set ticket_Price to 12.99. ○ Output to the console the user's name, age and ticket price.
- In C++ Write a function header ( and only function header ) for the following: Function named printArray() that returns nothing, and that takes two parameters: an array of integers named testScores [ ] an integer named SIZE .In C Write a function named “robot”. This function has twointeger parameters named “forward” and “reverse” anda return of type integer. If the value passed to forward is1 and to reverse is 0 then the return should be 127. Ifthe value passed to forward is 0 and to reverse is 1 thenthe return should be -127. If both are 0 or both havenonzero values, then the return should be 0In C Write the function definition of a function thatrepeatedly asks for the user’s age and when the ageentered is higher than zero and less than 150 (ageshould be an integer), then the function should returnthat age.
- (Chapter User-Defined Functions )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.in, c programming, write a character-valued function named convertroGrade that has a single type int parameter named mark. The function should return the letter that corresponds to the given mark.C++ programming 48.In the function prototype void action(int& value); The argument value is said to be a ___________ parameter. 49.In the previous problem, suppose the function action updated its argument. True or false: the variable value in the caller would be updated. ________________ 50.True or false: the following two prototypes represent valid overloaded functions _________:double fna(double,int);float fna(float,int);
