Question

Express the terms of the following sequence by giving an explicit formula. 5 , 2 , -1 , -4, -7 , .

Answer 1

A=12 because I did the test and got it right and ask me for help if needed

Answer 2

Explanation:

a1=5

d=2-5=-3

`a_(n)=5+(n-1)(3)\\a_(n)=5+3n-3\\a_(n)=3n+2`