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Consider the function f(x) = (x^(2)-1)/(...

Consider the function `f(x) = (x^(2)-1)/(x^(2) + 1)`, where `x in R`
What is the minimum value of `f(x)`?

A

f(x) is increasing in `(-infty, 1/2)` and decreasing in `(1/2, infty)`

B

f(x) is decreasing in `(-infty, 1/2)` and increasing in `(1,2, infty)`

C

f(x) is increasing in `(-infty, 1)` and decreasing in `(1, infty)`

D

`f(x)` is decreasing in `(-infty,1)` and increasing in `(1, infty)`

Text Solution

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The correct Answer is:
B
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