Question 89569
Find the asymptotes, if any. State the domain and range, and describe the concavity.

y =    __1_
      x + 1

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Domain: all Real Numbers except x=-1
Range:  all Real Numbers
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Vertical asymptote at x=-1
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{{{graph(400,300,-10,10,-10,10,1/(x+1))}}}
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Concave on the interval (-1,+inf)
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Cheers,
Stan H.