Question: 1.Write down the Sup and inf of the set: { ( 1 ) n ( 5 ( 1 / 3 ) n ) : n

1.Write down the Sup and inf of the set: { (1)n(5(1/3)n):nN } . Justify all assertions.

2.Consider the function: defined and continuous J = [-2, 1]. Find f(J). Explain in detail how you obtained this interval.

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