4. Use a graphing calculator or the website www desmos. com to graph the functions below and then answer the questions that follow:
Functions
g(x) = - 3x? – x + 8
A. How many times do these functions intersect?
B. List all intersection points. Round all answers to the nearest hundredth

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