Give both a mathematical description and an English-language description of the meanings of the following heaprelated functions. Assume for the purposes of these questions that the array A is infinite...

Give both a mathematical description and an English-language description of the meanings of the following heaprelated functions. Assume for the purposes of these questions that the array A is infinite (that is, don’t worry about the possibility of encountering an i such that left(i) or right(i) is undefined).