Algebra-1

Question Analysis
This question tests the student's ability to identify an exponential relationship from a real-world scenario.

Key Concept Explanation
Exponential relationships are characterized by a proportional rate of change, which means the dependent variable (in this case, the number of bacteria) changes by a constant percentage or ratio for each unit increase in the independent variable (number of hours).

Step-by-step Solution
1. Identify the initial value: The colony starts with 500 cells.
2. Identify the rate...