If you invest x dollars at 4% interest compounded annually, then the amount A ( x ) of the investment after one year is A ( x ) = 1 .04 x . Find A ∘ A , A ∘ A ∘ A , and A ∘ A ∘ A ∘ A . What do these compositions represent? Find a formula for the composition of n copies of A .
If you invest x dollars at 4% interest compounded annually, then the amount A ( x ) of the investment after one year is A ( x ) = 1 .04 x . Find A ∘ A , A ∘ A ∘ A , and A ∘ A ∘ A ∘ A . What do these compositions represent? Find a formula for the composition of n copies of A .
Solution Summary: The author explains the formula for n-composition of A: AoAo(x)=A0
If you invest x dollars at 4% interest compounded annually, then the amount A(x) of the investment after one year is
A
(
x
)
=
1
.04
x
.
Find
A
∘
A
,
A
∘
A
∘
A
, and
A
∘
A
∘
A
∘
A
.
What do these compositions represent? Find a formula for the composition of n copies of A.
ing 2021 Mock STAAR Algebra 1- Day 2
CALCULATOR
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O ADD NOTE
O QUESTION GU
0. A bank account earning annual compound interest was opened, and no additional
deposits or withdrawals were made after the initial deposit. The balance in the
account after x years can be modeled by b(x) = 850(1.025)*
The initial balance of the account was $1,025.
Which statement is the best interpretation of one of the values in this function?
The balance in the account at the end of one year is $850.
The balance in the account increases at a rate of 2,5% each vear.
The initial balance of the account decreases at a rate of 97.5%
each year.
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a) How many bacteria were there at the start?
b) How many bacteria were there after
(i) 2 hours
(ii) 6 hours
Chapter 1 Solutions
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