Answer:
7
............................
You can find the slope of an equation by looking at what number comes before x. Making the slope being -1/2 because that's the number that comes before x.
Answer:

Step-by-step explanation:
Hello, please consider the following.
We can say that y = y, right? So it gives.


The Delta is negative so there is no solution.
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:
Step-by-step explanation:
The domain of a function is all the allowed x values that make the function defined. There is nothing to make this function undefined. So the domain is negative infinity to positive infinity. All those x values are in the domain. In order to show your work, just show yourself plugging in those numbers.
You get 9, 0, and 1