Question

3, 4, 9, 28, _ (hint: use models of square,cube, other)​

Answer 1

Answer:

3 × 1 +1 = 4

4× 2 +1 = 9

9× 3 +1 = 28

28× 4 +1 = 113

Answer 2

Answer:

113

3*1+1=4
4*2+1=9
9*3+1=28
28*4+1=113