2. Write a C++ program and code the functions given below, also test the functions taking the value of -5. a) abs() : Returns the absolute value of an integer. b) square() : Returns the square of an integer. c) cube(): Returns the cube of an integer.
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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)Using c++ write a program : Write a C++ program to calculate net pay of an employee. Input basic pay from user, and pass it to a user defined function CalculatePay(), calculate the net pay and return to main function. Calculate net pay of employee: House Rent is 35% of basic salary Medical Allowance is 10% if basic pay is more than Rs. 10000/-. It is 15%, if basic pay is less than or equal to Rs. 10000/- Conveyance allowance is Rs. 1000/- if basic pay is less than or equal to Rs. 10000/-. It is Rs. 1800/- if basic pay is more than to Rs. 10000/- Net pay is calculated by adding basic pay, house rent, medical allowance and conveyance allowance.Write a C++ 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. **DO NOT USE AN ARRAY OR GLOBAL VARIABLES!!!*** YOU MUST USE THE STATED FUNCTIONS. AND INPUT VALIDATION. For FULL CREDIT DISPLAY THE LOWEST SCORE WITH GOOD OUTPUT DESCRIPTION you MUST USE function prototyping.. DO NOT ACCEPT SCORES LESS THAN 0 OR GREATER THAN…
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- C++ program Write a function named "reduce" that takes two positive integer arguments (as reference), call them "num" and "denom", treats them as the numerator and denominator of a fraction, and reduces the fraction.The function should return the value 0 (to indicate failure to reduce: if either of the two arguments is zero) and should return the value 1 otherwise.Function Prototype: bool reduce(int & num,int & denom);2- Write a C++ function that accept one input argument only. The input could be astring, int, float or double. If the input is string, the function returns its number ofcharacters. If the input is integer, the function returns its number of digits. If theinput is float, the function returns its number of digits before the point (for example,if the number is 8502.56, the function returns 4). If the input is double, the functionreturns its number of digits before the point and its number of digits after the point(for example, if the number is 120.5654, the function returns 3 and 4). Then, write aC++ program to test your function by entering the following values: “Quiz1” forstring, -5000 for int, 9864.1 for float, and 801.651237 for double.Pass the marks of 3 tests (Test1, Test2 and Test3) to the function with header high (float, float, float). Write a Function which should return the highest marks scored in the test. Use C programming language to solve this question.