Where is the number 4 − 8 located on a horizontal number line?

a. 4 units to the left of 4

b. 4 units to the right of 4

c. 8 units to the left of 4

d. 8 units to the right of 4

The diameter of a bacteria colony that doubles every hour is represented by the graph below. what is the diameter of the bacteria after 8 hours? graph of a curve passing through the points zero comma 1, one comma two, two comma four, and three comma eight