Answer: The number of tomatoes went up relative to the increase of fertilizer used. the slope is positive.
Step-by-step explanation:
Mentally, they are numbers in which you can do mental math with since they are whole numbers
It depends what your trying to get close to. If your trying to get close to a number that is easier to work with 1 4/8 is good because its the same as 11/2 but the closest whole number is 1.