Question

Find domain and range of each.

{(-1,2) (0,2) (1,3) (2,2)}
Domain: {-1,0,1,2}
Range: {2,3}

{(1,5) (2,9) (3,9)}
Domain: {1,2,3}
Range: {5,9}

{(1,2) (1,5) (3,7)}
Domain: {1,3}
Range: {2,5,7}

Are these all right?

Answer 1

correct