X is 0,in most situations,but could you provide a picture next time?
Answer:
B has a smaller initial population of 500
Step-by-step explanation:
Given
See attachment for complete question
Required
The bacteria with the smaller initial population
The initial population is at x = 0
For bacteria A;
when 
For bacteria B, we have:

Substitute 0 for x



So; when x = 0
and 
Because; 500 < 600
We can conclude that B has a smaller initial population of 500
If this question is typed correctly then the answer would be 13 hours and 15 minutes
B = 6
Just factorize the first bracket
Answer:
I belive its the second 1
Step-by-step explanation:
kakalkjslkajslkjslkjalk