Help this is over a lot of points and if you get this correct I will give you of course

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

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