1.

Find the domain and range of the following real functions:(i) `f(x)=-|x|` (ii) `f(x)=sqrt(9-x^2)`

Answer» 1)f(x)=-|x|
Domain={R}=R
Range={y}=negative part of R
2)y=f(x)
`y^2=9-x^2`
`x^2+y^2=9`
Domain={x}=(-3,3)
Range={y}=(-3.3)


Discussion

No Comment Found