Answer:
The correct option is 3.
Step-by-step explanation:
It is given that the quantities of blue and green paints used for each mix and connected them using a line segment, as shown in the graph below:
The line have two end points A(1,2) and B(9,14).
Domain is the set of inputs. In a graph all the values of x for which the graph is defined, are domain of the function.
The line is defined from x=1 to x=9. So, the domain of the function lies between 1 to 9 (inclusive).

Therefore, option 3 is correct.
Answer:
190.8
Step-by-step explanation:
Im pretty sure my math is wrong but i hope this helps
For any equation,

assume solution of a form, 
Which leads to,

Simplify to,

Then find solutions,

For non repeated real root y, we have a form of,

Following up,
For two non repeated complex roots
where,

and,
the general solution has a form of,

Or in this case,

Now we just refine and get,

Hope this helps.
r3t40
Hey there!
First, we need to find how much Lannie paid for all 12 copies. To do this, all we have to do is multiply the unit price ($19) by how many copies he bought (12)
$19 x 12 = $228
So, he spent $228 on the books, but we also need at add the shipping charge:
$228 + $15 = $243
Therefore, the total cost of Lannie’s order is $243
Hope this helps you!
God bless ❤️
Brainliest would be appreciated
xXxGolferGirlxXx
Answer:
3
Step-by-step explanation:
(-7)-9-((-4)-1)
-2-(-4-1)=3
-2-(-5)=3
-2+5=3
x=3
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Also you can use the app called Microsoft Math Solver, it helps alot. :)