Question

Suppose that a sum S₀ is invested at an annual rate of return r compounded continuously.
(a) Find the time T required for the original sum to double in value as a function of r.
(b) Determine T if r = 7%.
(c) Find the return rate that must be achieved if the initial investment is to double in 8 years.

Answer 1

Step-by-step explanation:

9. In the figure, AD is the bisector of angle BAC. If AB=15cm

(3)

and AC-20cm, find (a) BD:DC

(b) Write the ratio of areas of triangle ABD and triangle ADC

(c) If area of triangle ABD is 21cm²,then find area of triangle ADC