Question

Item 13
Write an explicit rule for the recursive rule.

$a_1=16,a_n=0.5a_{n-1}$

Answer 1

Explanation:

`a_(1)=16`

`r=(a_(n))/(a_(n-1)) =0.5\\a_(n)=a_(1)r^(n-1)=16(0.5)^(n-1)`