Set 4: Exponential Functions (Intermediate)

[Variation 1] **Choice B is the best answer.** After 1 doublings: 100 times 2 to the power of 1 = 200

Explanation

Answer: B

PROBLEM

Recent studies show that a population starts at 100 and doubles every year. What is the population after 1 years?

A population starts at 100 and doubles every year. What is the population after 1 years?

198

200

✓ Correct

202

400

Detailed Explanation

[Variation 1] Choice B is the best answer. After 1 doublings: 100 times 2 to the power of 1 = 200

Why others are wrong:

A: 198 is incorrect because it does not satisfy the equation.

C: 202 is incorrect because it does not satisfy the equation.

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