Q2.6 Functions .Write two functions as follows to use your code. void highlov.avg.grade (Student a, Student *b, int n); void highlow.top-grade (Student *a, Student .b, int n); length n. . In both functions, a is a pointer to a single object and b is a pointer to an array of . First function: 1. Find the name and average grade of the student with the highest average grade. 2. Find the name and average grade of the student with the lowest average grade. 3. Print output to screen. cout