You are given a graph g = (v, e) with positive edge weights, and a minimum spanning tree t = (v , e ′ ) with respect to these weights; you may assume g and t are given as adjacency lists. now suppose the weight of a particular edge e ∈ e is modified from w(e) to a new value wˆ(e). you wish to quickly update the minimum spanning tree t to reflect this change, without recomputing the entire tree from scratch. there are four cases. in each case give a linear-time algorithm for updating the tree.

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explanation:

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

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explanation:

explanation:  

an electrode is a metal whose surface serves as the location where oxidation-reduction equilibrium is established between the metal and what is in the solution.