1. 3y
multiplying 3 and y together gets 3y
2. y-5
5 less implies that we subtract 5 from y
3. y+7
adding 7 to y, self-explanatory
4. 9y
same thing as #1
5. 
quotient of implies division, since number y is listed first, y is the numerator
The rate of change is 4 so your answer would be D. 4
Answer:
The awnser is 2 and 3!!!!!!
Two hundred eighty-four thousand, twenty-eight.