The transformation is
Whenever you transform a function like
You're stretching the function vertically. So, the graph of g(x) is the graph of f(x), stretched vertically with a scale factor of 5.
Find the solution to the system. Write your solution as an ordered pair (x,y) with no spaces, no solution, or infinitely many. X
1 answer:
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$1224.78 will be in the account 60 years later
Yes, his savings would have tripled in that time
Step-by-step explanation:
The formula for compound interest, including principal sum is
where:
- A is the future value of the investment/loan, including interest
- P is the principal investment amount (the initial deposit or loan amount)
- r is the annual interest rate (decimal)
- n is the number of times that interest is compounded per unit t
- t is the time the money is invested or borrowed for
At age 20 a person deposits $370 in a savings account paying 2% interest compounded quarterly.
We need to find how much money will be in the account 60 years later, when he is 80 years old and would his savings have tripled in that time
∵ The deposit = $370
∴ P = 370
∵ The account paying 2% interest
∴ r = 2% = 2 ÷ 100 = 0.02
∵ The interest is compounded quarterly
∴ n = 4
∵ The money will be in the account 60 years later
∴ t = 60
By using the rule above
∴
∴
∴
∴ A = 1224.78
$1224.78 will be in the account 60 years later
∵ A = 1224.78
∵ P = 370
∵ ≅ 3
- That means A ≅ P × 3
∴ A approximately is 3 times P
Yes, his savings would have tripled in that time
Learn more:
You can learn more about compound interest in brainly.com/question/4361464
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