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drek231 [11]
3 years ago
11

Which statement describes the behavior of the function f(x)=2x/1-x^2?

Mathematics
1 answer:
NeX [460]3 years ago
3 0

Answer:


Step-by-step explanation:

Please use parentheses around the denominator:

               2x

f(x) = -------------- or   f(x) = 2x / (1-x^2)

           1 - x^2

to eliminate any ambiguity.  The graph of this function passes thru the origin (0,0) and has vertical asymptotes at x = -1 and x = + 1.  The function is negative on (-1,0) and positive on (0,1).  

Additionally, there are two horizontal asymptotes.   As x grows large and negative, f(x) approaches zero from above.  As x grows large and positive, f(x) approaches zero from below.

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