31 is the answer; this is because to get to the place-holder number “0” you have to add 19 to -19, then after this, you add 12, making the total 31.
Let
x-------> the number of hours
y------> the temperature in degrees Fahrenheit
we know that
For 

For 

The domain of the function is the interval----------> ![[0,30]](https://tex.z-dn.net/?f=%5B0%2C30%5D)

The range of the function is the interval----------> ![[-10,30]](https://tex.z-dn.net/?f=%5B-10%2C30%5D)

therefore
<u>the answer is</u>
The domain is all real numbers 0 through 30
Answer:
-13
Step-by-step explanation:
its counting odd numbers in order but switching their positive and negative
can you make the question clear so I can answer you the question.