The function f(x) = 3,189(1 + 0.05)x represents the amount of money in a savings account where x represents time in years. what does the 3,189 represent? a, the initial amount of money placed in the savings account. b. the amount of money in the savings account after one year. c. the amount of money added to the savings account each year. d. the growth rate

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