The cost, c(x), for a taxi ride is given by c(x) = 2x + 4.00, where x is the number of minutes. what does the slope mean for this situation
a. the taxi ride costs a total of $4.00
b. the taxi ride costs $2.00 per trip.
c. the rate of change of the cost of the taxi ride is $2.00 per minute.
d. the rate of change of the cost of the taxi ride is $4.00 per minute.

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