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multiple choice correct type: if y = f(x)=x+2/x-1 then options:a-f(1)=3 b-y is increasing with x for x less than 1 c-f(y)=x d-f is a rational function of x. not able to click option c and d please explain how to reason them. answer:only c

multiple choice correct type: if y = f(x)=x+2/x-1 then options:a-f(1)=3  b-y is increasing with x for x less than 1 c-f(y)=x d-f is a rational function of x.  not able to click option c and d please explain how to reason them. answer:only c

Grade:

1 Answers

Shobhit Varshney IIT Roorkee
askIITians Faculty 33 Points
7 years ago
Dear student,

‘c’ option can not be correct. It makes no sense at all because f(y) would be a function of y, not x.
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thanks

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