Determine where the function below is increasing and decreasing.

$y=\frac{3}{(5+x{)}^2},x-5$

Select the correct choice below and, if necessary, fill in the answer box within your choice.

A$.$ The function is increasing on

$($Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Simplify your answer.$)$

B$.$ The function is not increasing on any interval.

Select the correct choice below and, if necessary, fill in the answer box within your choice.

A$.$ The function is decreasing on

$($Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Simplify your answer.$)$

B$.$ The function is not decreasing on any interval.