PLZ HELP ASAP !!! MARKIN BRAINIEST !!!

Answer:
A geometric sequence with first term of 3 and a common ratio of 4:
an= 3(4)n-1
an arithmetic sequence with first term of 2 and a common difference of 3:
an= 2+3 (n-1)
a geometric sequence with first term of 4 and a common ratio of 2:
an= 4+2 (n-1)
an arithmetic sequence with the first term of 3 and a common difference of 4:
2(3)n-1