When Priscilla was born her parents put $8000 into a college fund account that earns 9% simple interest. Find the total amount in the account after 18 years

P is the principal amount, $8000.00.

r is the interest rate, 9% per year, or in decimal form, 9/100=0.09.

t is the time involved, 18year(s) time periods.

So, t is 18year time periods.

To find the simple interest, we multiply 8000 × 0.09 × 18 to get that:

The interest is: $12960.00

domain is all the x values included in the

0 ≤ x ≤ 2

range is all the y values of the graph

-2 ≤ y ≤ 2

***keep in mind that there are different ways to show domain and range

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