The system requires the user to input any two numbers and CHOOSE to do any of the following operations: Symbol M or m D or d A or a S ors Operation Multiplication Division Addition Subtraction
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Write a C++ program for the question. Please do all the operation given.
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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)(Numerical) Heron’s formula for the area, A, of a triangle with sides of length a, b, and c is A=s(sa)(sb)(sc) where s=(a+b+c)2 Write, test, and execute a function that accepts the values of a, b, and c as parameters from a calling function, and then calculates the values of sand[s(sa)(sb)(sc)]. If this quantity is positive, the function calculates A. If the quantity is negative, a, b, and c do not form a triangle, and the function should set A=1. The value of A should be returned by the function.A sphere is characterized by a single dimensions; its radius (r). The surface area of the sphere is calculated as A=4πr2 While the volume is calculated as V=43πr3 Write a program that asks the user for r and when VALID proceeds to calculate both the surface area and the volume of the sphere by calling a single function. The function's prototype is as follows: void sphereCalc(float, float *, float *); All console input and output operations are in main(). Print the area and volyme with 3 decimal places. Follow best programming practices. Use r = 3 for the screenshot. Hint: Define PI using #define PI 3.1415927
- **PLEASE READ THE WHOLE QUESTION!!"" Write a python, program that prints a pyramid made of letters in the middle of the screen. Use functions with parameters for this assignment. The base width of the pyramid is determined by a character the user enters. If the user enters the letter o, the following pyramid will be printed. It can be assumed that the screen width is 80 characters. The following assignments make use of functions with return values ("fruitful functions"). So if the user enters the letter o it will print the ******The input is not always o, the input o is just an example, so the user can enter also a letter like u or w or something else******** **nBesides that the code may not have the charArray = 'abcdefghijklmnopqrstuvwxyz', but it needs to have the range code like (range(97,123)) or something else **The prompt asks: Write a function that calculates the amount of money a person would earn over a period of years if his or her salary is one penny the first day, two pennies the second day, and continues to double each day. The program should ask the user for the number of years and call the function which will return the total money earned in dollars and cents, not pennies. Assume there are 365 days in a year. function totalEarned(years) { } var yearsWorked = parseInt(prompt('How many years will you work for pennies a day? ')); alert('Over a total of ' + yearsWorked + ', you will have earned $' + totalEarned(yearsWorked));What is the output of the code below? def mystery_func(input, num, t = 0, x = 10, y = 10)[this function multiples all arguments together (except t) and raises the result to the power of t and returns it]print(mystery_func(num = 9, input = 3, t = 1, y = 1))
- What is the output of the code below? def mystery_func(input, num, t = 0, x = 10, y = 10)[this function multiples all arguments together (except t) and raises the result to the power of t and returns this]print(mystery_func(2, 3))Call the function “findEvenSum( int a,int b,int c)” and pass the values from the main( ) function. The “findEvenSum( )” function should calculate the sum of even values and then print the sum on the screen.Hi please Solve in c language. (Wattan Corporation) is an Internet service provider that charges customers a flat rate of $7.99 for up to 10 hours of connection time. Additional hours or partial hours are charged at $1.99 each.Write a function charges that computes the total charge for a customer based on the number of hours of connection time used in a month. The function should also calculate the average cost per hour of the time used (rounded to the nearest 0.01), so use two output parameters to send back these results.You should write a second functionround_money that takes a real number as an input argument and returns as the function value the number rounded to two decimal places. Write a main function that takes data from an input file usage.txt and produces an output file charges.txt. The data file format is as follows:Line 1: current month and year as two integersOther lines: customer number (a five-digit number) and number of hours usedHere is a sample data file and the…
- The Problem__: Write a program that calculates the average of a group of test scores, where the lowest score in the group is dropped. It should use the following functions: ⚫ void getScore() should ask the user for a test score, store it in a reference param- eter variable, and validate it. This function should be called by main once for each of the five scores to be entered. ⚫ void calcAverage() should calculate and display the average of the four highest scores. This function should be called just once by main and should be passed the five scores. ⚫int findLowest() should find and return the lowest of the five scores passed to it. It should be called by calcAverage, which uses the function to determine which of the five scores to drop. Input Validation: Do not accept test scores lower than 0 or higher than 100. YOU MUST USE THE STATED FUNCTIONS AND COMPLETE Input VALIDATION. **DO NOT use an ARRAY OR GLOBAL VARIABLES!!. you MUST USE function prototyping TEST THE FUNCTION TWICE.…Local variables are known only to the function in which they are declared. Local variables are invisible outside the function in which they are declared. Whether True or False 11. It is possible for any function to return numerous values. Any function type may return multiple values. That's true, right?The following program will prompt the user for a starting number and an // ending number. Assume that these are whole numbers (no decimal points), // assume the numbers are not negative and assume that the first number is // not larger than the second number. // // write a funcTion that returns the sum of the numbers from the starting // number to the ending number. For example, if the starting number is 13 // and the ending number is 18 then the function will return the value of // 13 + 14 + 15 + 16 + 17 + 18. If the starting number is equal to the ending // number then simply return that number. // ////////////////////////////////////////////////////////////////////////// function sumOfNumbers(startingNumber, endingNumber) { } var startingNumber = parseInt(prompt('What is the starting number? ')); var endingNumber = parseInt(prompt('What is the ending number? ')); var sumOfNumbersPassed = sumOfNumbers(startingNumber, endingNumber); alert('The sum of the numbers from ' +…