Question: (2 points) What value is returned by the following function? Express your answer as a function of n. Give the worst-case running time complexity.

(2 points) What value is returned by the following function? Express your

(2 points) What value is returned by the following function? Express your answer as a function of n. Give the worst-case running time complexity. All logic/mathematical derivations must be clear. function mystery(n) I. r = 0 II. for 1 to (n-1) III. IV. forj (i+1) to n do for k = 1 to j do V. r = r+1 VI. return (r)

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