1
Answer: ASet 11: Exponential Functions (Intermediate)
Explanation
$8,000 invested at 4.5% annual interest compounded semi-annually. What is the value after 6 years?
A.✓ Correct
$10,453.86
B.
$10,160.00
C.
$10,200.00
D.
$11,000.00
Detailed Explanation
Choice A is correct. Choice A is the correct answer. Use semi-annual compounding. 1. Values: , , (semi-annually), . 2. Formula: . 3. Calculate: , so . Strategic Tip: Semi-annual means twice per year, so . Choice B is incorrect because this assumes annual compounding. Choice C is incorrect because the calculation doesn't match. Choice D is incorrect because this growth is too high.
Key Steps:
•
The correct answer is $10,453.86
Why others are wrong:
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.
🎯 Keep Practicing!
Master all sections for your best SAT score