1-As a computational thinker, if no good solution exists, you should change problem setting to fit any of your algorithms (true or false )

2-If the size of data input n is doubled (times 2), how much the running time of O(n ^ 3) be increased in comparison to O(n) .

Select one:

6

4

2

8

3-In the theoretical analysis of algorithms , what plays an important role ?