D: {1,2,3,4}
R: {1,2,3,4}
Function? Yes, the relation is a function.
Answer:
your answer will be 1
Step-by-step explanation:

<em>hope it helps </em>
ANSWER:
35
DID YOU COPY MY ANSWER THAT IS CORRECT
If his speed is 43 mph, then it takes him 40/43 of an hour to go 40 miles.
An hour = 60 minutes.
40/43 of 60 minutes = 55.8 minutes. He gets home 55.8 minutes after 6:24 PM.