1.

find the domain and range of f(x)=x²-y/x-2

Answer»

\(f(x) = \frac {x^2 - 4}{x - 2}\)

Domain = \(R -\{2\}\) (∵ f(x) is not defined at x = 2)

\(f(x) = \frac {x^2 - 4}{x - 2} = \frac{(x-2)(x+ 2)}{x - 2} = x+ 2 , x\ne 2\)

\(\therefore f(x) \ne 4\)

Range = \(R - \{4\}\).



Discussion

No Comment Found

Related InterviewSolutions