Helpo me if you know the answers

Given:

The nth term of a number sequence is .

To find:

The first 3 terms and the 10th term.

Solution:

We have, nth term of a number sequence.

For n=1,

For n=2,

For n=3,

For n=10,

Therefore, the first three terms are 3, 8 and 15 respectively. The 10th term is 120.

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.