Question

find all numbers for which the rational expression is undefined.
s^3-9s/s^2-16

Answer 1

should just be anything where s^2=0

Answer 2

with btw is s=0

Answer 3

which*

Answer 4

no its undefined when you are dividing something by zero
\[\frac{a}{0} \]

Answer 5

i think the denominator is s^2 - 16, so the answer is +4, -4

Answer 6

so you want the bottom zero right
(s^2 -16)
so when does

s^2-16 =0 ?