What is the answer for this problem? if f(x)=3x-1 and g(x)=x+2, find (f-g)(x) a. 3-2x b. 2x-1 c. 4x+1 d. 2x-3

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