RE: Test Your Math Skills and Win SBD # 2

[dkmathstats]

For the third one, the restriction is at x = 0.

Comments

[marysent]

@dkmathstats, yes but the questions says If X is a negative integer. 0 is a special number.

[dkmathstats]

Zero is neither negative nor positive.

There may be confusion in the third question.

I'm viewing the third question as the first one from the above. Given x as a negative, the sum is negative.