Multiple choice:

describe the objective of the following

double hoo(int n) {

double result;

if (n <= 0) result = 0;

else {

result = 1.0*(n+2)/n + hoo(n-1);

}

return result;

}

a. hoo(n) = 1*2*3**n

b. hoo(n) = 1 + + 1/3 + + 1/n

c. hoo(n) = 3 + 2 + + (n+2)/n

d. hoo(n) = 1/3 + 2/4 + + n/(n+2);