How do you evaluate the limit -root3(2x+2) as x approaches -1?

1 Answer
mason m
Dec 1, 2016

We can directly substitute -1 for x.

Explanation:

We see that:

lim_(xrarr-1)(-root3(2x+2))=-root3(2(-1)+2)

color(white)(lim_(xrarr-1)(-root3(2x+2)))=-root3(-2+2)

color(white)(lim_(xrarr-1)(-root3(2x+2)))=-root3 0

color(white)(lim_(xrarr-1)(-root3(2x+2)))=0

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