The initial balance of a mutual fund is $1800. The fund is expected to grow in value at an annual rate of 5%.

Let x represent the number of years since the fund was started. Let y represent the value of the fund x years later.

What equation models the value of the mutual fund x years after it was started?

Question

Rosario

Mathematics

30 June, 02:38

The initial balance of a mutual fund is $1800. The fund is expected to grow in value at an annual rate of 5%.

Let x represent the number of years since the fund was started. Let y represent the value of the fund x years later.

What equation models the value of the mutual fund x years after it was started?

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Answers (1)

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Ingrid Delgado · Answer 1

Y=1800*1.05^x. Since the fund grows at an annual rate of 5%, each year it will be (1+5%) or (1.05) times in value the year before. Therefore, the fund after first year will be 1800*1.05, the second year will be 1800*1.05*1.05, ... after x years, the value will be 1800 * (1.05) ^x dollars.