i need help with problem 48. here is a pic of the problem. please list all work for each answer.

http://imgur.com/Y25K2sX

thanks in advance

48.

C(x) = -1 for x < 2

C(x) = 1 for x>=2

a) Lim C(x) as x->2^{+} = 1

b) Lim C(x) as x->2^{-} = -1

c) Lim C(x) does not exist

d) C(2) =1

e) C is not continuous at x=2 since limit at x=2 does not exist

f) C is continuous at x=1.95

At that time left limit =right limit – function value = -1

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