An object was launched off the top of a building. The function f(x) -16x2 + 80x + 224 represents the height of the object above the ground,
in feet, 2 seconds after being launched. Find and interpret the given function values
and determine an appropriate domain for the function.

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