Consider the following function definition:
void tripler(int& n) n = 3 * n;
In a main program, assume we have the following items defined: int a[3] = {4,5,6}; int number = 2; Which of the following lines are acceptable function calls?
a. triplet(a[number]);
b. tripler(number);
c. tripler(a);
d. tripler(a[2]);
e. tripler(a[3]);