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steposvetlana [31]
2 years ago
11

Roberta invested $600 into a mutual fund that paid 4% interest each year compounded annually. Write an exponential function of t

he form y=a(b)x to describe the value of the mutual fund then use that function to determine the value of the mutual fund in 15 years
Mathematics
2 answers:
Oksanka [162]2 years ago
8 0

Answer:

The exponential equation is <em>A = 600(1.04)^15</em>

<em></em>

The value of the mutual fund after 15 years is <em>$1,081</em>

Step-by-step explanation:

The  value of the mutual fund after the number of years can be represented using the compound interest  equation below;

A = P(1 + r/n)^nt

Where A is the value of the mutual fund after 15 years, P is the initial amount invested which is $600, r is the interest rate which is 4% or 0.04(4% = 4/100 = 0.04), n is the number of times we are compounding per year(which is 1 since it is a one time payment per year) and t is the number of years which is 15

Let's plug these values, we have;

A = 600(1 + 0.04/1)^15

A = 600(1.04)^15

A = $1,081 approximately

bonufazy [111]2 years ago
6 0

Answer:

y = 600*(1.04)^t

for t = 15: y = $1080.57

Step-by-step explanation:

The exponencial function y = a(b)x have the following variables:

a: inicial value

b: rate of interest plus one

x: time invested

So, if the inicial value invested is 600, the rate is 4% and the time is 15 years, we have that the equation is:

y = 600*(1+0.04)^t = 600*(1.04)^t

And for time t = 15 years, we have that:

y = 600*(1.04)^15 = $1080.57

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