Write a program that uses a function multi print that o Takes an integer value of n from the parameter, and a character value of o That prints a row of character c, print it n times on the screen Write a program that uses a function called circle area that o Takes a double value as a parameter o Calculates the area of the circle o Returns the area of the circle as double data type Write a program that uses function called pow that o Takes two parameters, a base and a power o The function returns the value of basepower to the user. (For simplicity, only implement th function for positive values of power and base, and both are integers)