Determine Value of a

[nycmathguy]

Calculus
Section 2.2

How is 12 done?

 

[MathLover1]

11.

as you can see, we can take a=1 => as x->a from the left, lim is 0, and as x->a from the right, lim is 0


12.

as x->a=-1, the limit does exist

 

[nycmathguy]

11.
View attachment 2879


as you can see, we can take a=1 => as x->a from the left, lim is 0, and as x->a from the right, lim is 0


12.
View attachment 2880

as x->a=-1, the limit does exist

This is not too clear. Sorry....