Algebra Examples

$a_{n} = 16 {(- 90)}^{n - 1}$

Step 1

To rewrite as a function of $n$ , write the equation so that $a_{n}$ is by itself on one side of the equal sign and an expression involving only $n$ is on the other side.

$f (n) = 16 {(- 90)}^{n - 1}$