C++, visual studio

blackboard under "assignment 05" link by the due date. Confirm your submission by downloading the source file and check its content 1.(7.5 points) Using the functions described in Table 6-1, write each of the follow- ing as a C++ expression. (The expression in (e) denotes the absolute value of a:2y-3.) 2. (1.5 points) Why do you need to include function prototypes in a program that contains user-defined functions