9
Answer: CSet 1: Exponential Functions (Intermediate)
Explanation
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.✓ Correct
4000
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.