Answer:
Top left one on the attached, must be option A
Step-by-step explanation:
A function has to have unique input values and for each input value has to have an output value.
Analyzing the graphs we can see that only one of them is a function- top left one
All the others have repeat input values, therefore are not functions
All those points marked with red circle
<em>Refer to attached </em>
The x values are the first one (and correlate to the domain), so we just have to find the smallest and largest number, which are -62.6 and 84.6 by just looking through the data
Answer:

Step-by-step explanation:
See photo for steps.
Kilowatts of power are used each hour
104/13=8
they fill a plane --- finite or infinite without gaps or overlaps
AND
no spaces or overlaps exist between its pieces
sorry if im wrong