Question

identify the domain and range of the following relation

{(3,7),(3,8),(3,-2),(3,4),(3,1)}

1. Domain: {3}
Range: {-2,1,4,7,8}


2. Domain: {-2,1,4,7,8}
Range: {3}

3. Domain: {all real numbers}
Range: (all real numbers)

4. Domain: Ø
Range: Ø

Answer 1

\[\large\rm \{~(\color{orangered}{3},\color{royalblue}{7}),~(\color{orangered}{3},\color{royalblue}{8}),~(\color{orangered}{3},\color{royalblue}{-2}),~(\color{orangered}{3},\color{royalblue}{4}),~(\color{orangered}{3},\color{royalblue}{1})~\}\]\[\large\rm \color{orangered}{Domain}\qquad\qquad \color{royalblue}{Range}\]