2022 SGSS AM S4 P1 Q2 (b)

2022 SGSS AM S4 P1 Q2 (b)

4 marks

The value of an antique is estimated to increase by \(k\)% per year. Given that its value at the beginning of \(2017\) was \(\$20\ 000\). The value \(V\), after \(t\) years, can be modelled by \(V = A(1.11)^t\).

  1. State the value of \(A\) and of \(k\).[2]
  2. Calculate the year when its estimated value will first reach \(\$190\ 000\).[2]

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Answer:(i) \(A=20000,\ k=11\) (ii) \(2038\)

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