Which represents the function used to find any term , x , of the sequence 2,8,32,128,512,

Answer 1

Even if you don't know the binary values, you should recognize the powers of 2.

Any term may be found using the explicit formula:

a_n = 2^(2n-1) for n > 0

Answer 2

r = 4

a_n = 2(4)^n-1