Advanced MathEasy–MediumIncrease over one step of an exponential model
Advanced Math practice question
The value of an investment after t years is modelled by V(t) = 3 · 2ᵗ thousand dollars. By how many thousand dollars does the value grow between year 2 and year 3?
Answer: 12
V(2) = 12 and V(3) = 24, an increase of 12.
Common wrong answers
- If you answered 3
- 3 is the starting value.
- If you answered 6
- 6 is V(1).
- If you answered 24
- 24 is V(3).
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