Set 2: Exponential Functions (Intermediate)

**Choice D is the best answer.** After 3 doublings: 100 times 2 to the power of 3 = 800

Explanation

Answer: D

PROBLEM

A population starts at 100 and doubles every year. What is the population after 3 years?

400

799

802

800

✓ Correct

Detailed Explanation

Choice D is the best answer. After 3 doublings: 100 times 2 to the power of 3 = 800

Why others are wrong:

A: 400 is incorrect because it does not satisfy the equation.

B: 799 is incorrect because it does not satisfy the equation.

C: 802 is incorrect because it does not satisfy the equation.