Consider that the force of interest 8(t) is a function of time, t, and is given by the following formula: 0.10 for 0 < t < 13 0.06 -0.0013 t for t > 13 Calculate the accumulated amount at time t=21 if the amount invested at time t=7 is £6,800.

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Consider that the force of interest 8(t) is a function of time, t, and is given by the
following formula:
0.10
for 0<t< 13
0.06 0.0013 t for t> 13
Calculate the accumulated amount at time t=21 if the amount invested at time t=7
is £6,800.
Transcribed Image Text:Consider that the force of interest 8(t) is a function of time, t, and is given by the following formula: 0.10 for 0<t< 13 0.06 0.0013 t for t> 13 Calculate the accumulated amount at time t=21 if the amount invested at time t=7 is £6,800.
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