It depends on your personal preference. If you want to just be simplistic and use a phone for phone calls and stuff and that is it, then go with iphone. If you want a phone with more features, go with android. These are both smartphones. If you really want simple, then go with C or D.
The domain of the first one is -3,-1,0,2,7. The range is -7,-3,-1,3,7.
For the second, the domain is -5,-4,0,1,2. The range is -4,2,2,3,4.
Domain is just the x-values
Range is just the y-values
Answer:
The class width is 20
Step-by-step explanation:
In a frequency or a relative frequency distribution the class width is calculated as the difference between the lower or upper class limits of consecutive classes. A point to note is that all the categories or classes usually have the same class width.
We use the first two classes to calculate the class width by using their respective upper limits;
Class width = 89 - 69
Class width = 20