## Calculus 8th Edition

$-4$
To solve this, let us plug in numbers on both sides. Plugging in $1/100$ gives, $$\frac{.98-1.02}{0.01} =-4$$ Plugging in $-1/100$ gives, $$\frac{.98-1.02}{0.01} =-4$$ Plugging in $1/1000$ gives, $$\frac{.998-1.002}{0.001} =-4$$ It is clear the limit is $-4$