Question

4. Suppose an investment of $s1.800 doubles in value every 7 years. How much is the investment worth after 42 years?

Answer 1

we are given

initial amount =1800

so,

P=1800

doubles in value every 7 years

so, we can find function

`A=P(2)^{(t)/(7) }`

now, we can plug P=1800

`A=1800(2)^{(t)/(7) }`

now, we can plug t=42

`A=1800(2)^{(42)/(7) }`

`A=115200`.............Answer