i am stuck on the following problems. here is a pic of the problem

http://imgur.com/jfzAEsa

i just need help with #'s 81 and 82. please include all steps worked out in your answers

thanks in advance

Please note that if we apply the definition of limit, left limit and right limit of a function, and we use your graph, we can write:

81)

Lim C(x)(x-->0.25-)=3.3, LimC(x)(x-->0.25+)=3.3, and consequently Lim C(x)(x-->0.25)=3.3

82)

we have:

Lim C(x)(x-->0.2-)=2.9, Lim C(X)(x-->0.2+) doesn't exist, since there are neighbors of 3.3 which are empty

consequently, Lim C(x) (x-->0.2) doesn't exist

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