9

Set 1: Exponential Functions (Intermediate)

Explanation

Answer: C

PROBLEM

A population starts at 500 and doubles every year. What is the population after 3 years?

A population starts at 500 and doubles every year. What is the population after 3 years?

A.

8000

B.

2000

C.

4000

✓ Correct
D.

3999

Detailed Explanation

Choice C is the best answer. After 3 doublings: 500 times 2 to the power of 3 = 4000

Why others are wrong:
A: 8000 is incorrect because it does not satisfy the equation.
B: 2000 is incorrect because it does not satisfy the equation.
D: 3999 is incorrect because it does not satisfy the equation.