Respuesta :

c is correct. here is the graph to prove it. the black line is the only one that goes through all 4 dots.
Ver imagen DankMemes322
cdw2014
At 0 minutes, Raul paid $4.00 meaning it is the fixed fee paid up front (y-intercept).

Every 2 minutes the amount paid goes up by $0.12 or 0.06 per minute.

y = 0.06x+ 4