Advanced MathEasyStarting value of an exponential model
Advanced Math practice question
The number of subscribers to a newsletter is modelled by S(m) = 6 · 2ᵐ, where m is the number of months since it began. How many subscribers did the newsletter have when it began?
Answer: 6
At m = 0, 2⁰ = 1, so S = 6.
Common wrong answers
- If you answered 0
- 0 forgets that 2⁰ = 1.
- If you answered 2
- 2 is the growth factor.
- If you answered 12
- 12 is the value after one month.
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