Answer:
- Domain:

- Range:
![(-5, 4]](https://tex.z-dn.net/?f=%28-5%2C%204%5D)
- Is the relation a function? - Yes
Step-by-step explanation:
The domain is the set of x-values and the range is the set of y-values.
A relation is a function if each value of x maps onto no more than one value of y.
X= 6 y=9 and the last one is -40 i believe. the middle ones i'm not sure of
Answer:
9000
Step-by-step explanation:
$13200 is the cost to produce all of the cds.
if they sell them all, for $15 each, we get $4200,
so, if we subtract the cost to produce them, versus what they made off them we get:
$9000.
the profit is $9000
The equation is 4 + 2n= -10