f(x)=x|x| Show that f'(0) exists.

Let T= {ti: i exists in N} and S be sets that T is denumerable and there exists a surjection f: T->S. Show that there exists an
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2. asked by Alanna
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PlEASE HELP ME!!! I WOULD GREATLY APPRECIATE IT!!!!Find the least upper bound (if it exists) and the greatest lower bound (if it
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2. asked by Anonymous
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limit of (x*(y-1)^2*cosx)/(x^2+2(y-1)^2) as (x,y)->(0,1).By evaluating along different paths this limit often goes to 0. This
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2. asked by Jim
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Let the sets S = {(n, m) ∈ N × N: n + m = 10} and π1 (S) = {n:there exists m ∈ N such that (n, m) ∈ S}. (Note that π1
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2. asked by Michelle
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Let the sets S = {(n, m) ∈ N × N: n + m = 10} and π1 (S) = {n:there exists m ∈ N such that (n, m) ∈ S}. (Note that π1
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2. asked by eric
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No adequate dictionary of the entire English language exists untill the middle of the eighteenth century.what correction should
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2. asked by kayci
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Find if the limit exists.lim tan(x)/x x->0 Please show how you determined this. Thanks!
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2. asked by Liz
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Let R be a ring. The center of R is the set C= {x exists in R| ax=xa for all a in R}. Show that C is a subring of R.
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2. asked by Mary
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f(x)=x|x|Show that f'(0) exists. What is the value? I don't know how to work with the absolute solving for f'(x) with first
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2. asked by T
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Use Rolle's Theorem to show that between any two roots of ( x-1)sinx=o there exists at least one of tanx=1-x
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2. asked by Workina
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