Does the function: f(x)=(x-1)/(x^2-1) have an inverse on the interval (2,5)?

  • Thread starter Thread starter Chelsea
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Chelsea

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Answer options:
a. No, there are discontinuities at x=1 and x=-1
b. yes, looking at the graph we see that the function is always decreasing on (2,5)
c. No, the graph increases at x=-1 and increases at all other values of x
d. Yes, there are no discontinuities on (2,5) and f(x) < 0 on (2,5), so f(x) is strictly decreasing.
 
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