Algebra-1

Question Analysis
The question tests the student's ability to recognize an exponential relationship based on the given context.

Key Concept Explanation
Exponential relationships have a proportional rate of change, which means the dependent variable (in this case, the number of bacteria cells) increases by a constant factor for each unit increase in the independent variable (time in hours).

Step-by-step Solution
1. Identify the initial value: 200 cells.
2. Identify the growth factor: tripling ever...