Answer to Question #186362 in Functional Analysis for Catherine

Question #186362

Which of the following rational functions does not have a vertical asymptote?


A. g(x) = 2x+7/x+5

B. h(x) = 2x2+7/3x2-5

C. k(x) = 2x2 - 7/3x-5

D. f(x) = 2/ x2+5


1
Expert's answer
2021-05-07T09:46:29-0400

A. Vertical asymptote x=5x=-5


B. Vertical asymptotes x=5/3x=-\sqrt{5/3} and x=5/3x=\sqrt{5/3}


C. Vertical asymptote x=5/3x=5/3


D. There is no vertical asymptote.


Answer: D. f(x)=2/(x2+5)f(x)=2/(x^2+5)



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