Asked by Mellis

a) Find the zeros of the function.
d) Find the domain.
e) Find the range.

a) none
d) (-infinity, 0) U (2,infinity)
e) (0, infinity)

Is this right?
Answered by Steve
no idea. what is the function?
Answered by Mellis
f(x)= |x-2|/(x-2)
Answered by Mellis
Sorry, I meant to put 2-x for both of them.
Answered by Steve
for (2-x) > 0, f(x) = 1
for (2-x) < 0, f(x) = -1

so, no zeros, domain is all reals except x=2, range is {-1,1}

http://www.wolframalpha.com/input/?i=%7C2-x%7C%2F(2-x)
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