Question

Identify the explicit function for the sequence in the table.

Answer 1

Answer: B a(n)=7+(n-1)*12

Explanation:

A P E X

Answer 2

B

Explanation:

The sequence is as follows:

7,19,31,43,55

Here:

a_1=7

d= 12

The standard formula for arithmetic sequence is:

`a_n=a_1+(n-1)d\\a_n=7+(n-1)12`

By looking at the options we can see that

option B is correct ..