A graphing calculator is recommended.

A function is given.

$V[x]=\frac{7-x^2}{x^3}$

$($a$)$ Find the lacal maximum and minimum values of the function and the value of $x$ at which each occurs. State each answer rounded to two decimal places.

local meximum $,(x,y)=($

local minimum $$

$($b$)$ Find the intervals on which the function is increasing and on which the function is decreasing. Stete each answer rounded to two decimal places. $($Enter your answers using interval rotation.$)$

increasing $$

decreasing $$