Finite Math Examples

$f (x) = 3^{x} - 5$

Step 1

Write $f (x) = 3^{x} - 5$ as an equation.

$y = 3^{x} - 5$

Step 2

The given equation $y = 3^{x} - 5$ can not be written as $y = k x^{2}$ , so $y$ doesn't vary directly with $x^{2}$ .

$y$ doesn't vary directly with $x$