Juan is a recovering heart attack patient. His doctor told him to get on a regular walking program. He is told to walk a distance of 3 km the first week, 5 km the second week, 7 km the third week and so on for a period of 12 weeks. At that point Juan is to maintain the distance walked during the 12th week. How far will he walk during the 12th week?

a. is the sequence arithmetic or geometric? Explain your answer.

b. write out the sequence using blanks where appropriate.

c. write the nth term for the sequence.

d. how far will jun walk during the 12th week? show all work.

e. write your final answer as a sentence​