Asked by Nero
Find the limits if they exist
lim_x->0 x/|x|
lim_x->0+ sqr(x+4)
lim_x->0 x/|x|
lim_x->0+ sqr(x+4)
Answers
Answered by
Steve
since x/|x| = 1 for x >= 0
and x/|x? = -1 for x<0,
there's no 2-sided limit
√(x+4) presents no problems.
lim = √4 = 2
and x/|x? = -1 for x<0,
there's no 2-sided limit
√(x+4) presents no problems.
lim = √4 = 2
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