Precalculus Examples

$a (n) = {(2)}^{n - 1}$

Step 1

Multiply $a$ by $n$ .

$a n = {(2)}^{n - 1}$

Step 2

Convert the exponential equation to a logarithmic equation using the logarithm base $(2)$ of the left side $(a n)$ equals the exponent $(n - 1)$ .

$\log_{2} (a n) = n - 1$