Page 23 - Math SL HB Sem 1

U CE AND S

Ex al.l'l P c I II L) Il) trch should I lnvest no ift want the maturing
value
to be $ 0 000 l)
4 years' ti me, ri an1 abl to lnvcs at ti 5 per anntIln compo
t
e
ann ual v 't unded

Exarnp C -) Th lnl al po pu lation f rabbi ts () I) a lann was 50
o
C
by 7 % each week. T'he pop ul atro lncn reased
(a) How many rabbits were present after:
(r) l5 weeks
1ii) 30 wceks?

(b) How long would it take for the population to reach 500?

2-11