Question

Find the domain and range of the following functions:y=x-3/x+3​

Answer 1

x+3=0

x=-3

Domain= {R}-(-3)

Range: f(x)= x-3/x+3

x+3>0

x-3/x+3 > x-3/0

f(x)=y>x-3/0

>0

thus,range= (0, infinite)-(-3)

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