Let f: X – Y be defined by f(x) = x? for all r e X where X = (-2, -1, 0, 1, 2, 3) and Y = {0, 1, 4, 7, 9, 10).
Write the relation fin

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

State one method by which you can recognize a perfect square trinomial.

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap