Answer:
Domain: all real numbers
Range: less than/equal to -2
Answer: its 64
Step-by-step explanation:


keep in mind, that "t" is the time when the train at A station, left towards B station
they met, at some time "t", and by the time that happened, train from A
which started 3 hours earlier, had already covered "d" distance,
whatever that is
and the train coming from B, covered, 600-d, or the difference
C is false. 9 multiplied by 7 equals 63.
All i know is that if the radius of a circle is 4 feet, the the diameter is 8 feet. Sorry, I don't know the rest.