Question 175421
1)E(t)=1225(t)+2700------->I arrived at the 1225 by 12500-2700/8(years)=1225
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2)f(g(-3))={{{(3sqrt(-3))^3+4}}}={{{27(3)sqrt(-3)+4}}}={{{81(i)sqrt(3)+4}}}
:
{{{highlight(4+81(i)sqrt(3))}}}