Question

Write the formula for the following sequence.5.8, 3.6, 1.4,...PLEASE SHOW YOUR WORK.​

Answer 1

$tn = t(n - 1)- 2.2$

common difference is

3.6 - 5.8 = -2.2

let T1 = 5.8

T2 = 3.6

assuming we are to find T2

T2 = T(2-1) -2.2

= T1 -22

= 5.8 -2.2

= 3.6