Please help me! Which domain restrictions apply to this rational expression?
x^2+5x+6

x^2−9
Select each correct answer.
1. x =/ -3
2. x=/ 2
3. x=/ -1
4. x=/ -2
5. x=/ 3
6. x=/ 1
BTW: the / is supposed to go over the = sign, I just don't know how to type that here (:

This question awards 100 ! i really don’t want to fail i will also mark you !

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.