Due to an accident on the highway, the Stanford family. is delayed driving to their weekend destination. Their average speed is 30 miles per hour for the firs t portion of their trip as they come upon the accident site. After passing the accident site, their average speed
increases to 50 miles per hour.
30x+50(x+2)
The Stanford family can express their average speed for the entire trip as
2.c +2
What is the meaning of the parts of this rational expression in the context of the situation?