Question

How do you evaluate the limit `-w^2+1` as w approaches `-2`?

Answer 1

`lim_(wrarr -2) -w^2+1=color(green)(-3)`

Explanation:

Since `(-w^2+1)` is defined and continuous at `w=2`
`rArr lim_(wrarr -2) -w^2+1 = -(-2)^2+1 =-(4)+1 = -3`