Easy: Solve T(n)=T(n-1)+n by Iteration Method

Question

Can someone please help me with this ?

Use iteration method to solve it. T(n) = T(n-1) +n

Explanation of steps

Answer 1

In pseudo code using iteration:

function T(n) {
    int result = 0;

    for (i in 1 ... n) {
       result = result + i;
    }

    return result;
}