Answer:
The last one at the right
Step-by-step explanation:
It is a function because not of the x axis numbers are repeated.
The bottom right
No two different coordinates in one value should have a repeating number in another
the answer is 75%
each dot represents 25% of the data
Below 345 meters are 3 points
so, 3 * 25% = 75%
Umm there is no numbers
4.5 and 1.5
4.5+1.5=6
4.5-1.5=3(difference)
