Tutorial Exercise

Find the derivative of the function.

$y=\frac{4}{9x^2}$

Step $1$

Rewrite the equation so the variable is not in the denominator.

$y=\frac{4}{9}{x}^{-2}$

Step $2$

Differentiate the function.

$y^{\text{'}}=\frac{x}{9}{x}^{-3}$