Can anyone help me? I don’t get these

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

If the discriminant if a quadratic equation is 4 which statement describes the roots?