Question

How do you evaluate the limit `-x` as x approaches `-2`?

Answer 1

`lim_(xrarr(-2)) (-x)=color(green)(+2)`

Explanation:

Since `(-x)` is defined when `x=-2`
we simply replace `x` with `(-2)` for the limit

`f(x)=-xcolor(white)("XX")rarrcolor(white)("XX") f(-2)=-(-2)=+2`