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saby30
22.08.2019 •
Mathematics
1) find the 4th term if the sequend in which a1 = 2 and an+1 = -4an + 2.
2) find the third iterate, x3, of the function f(x) = 3x + 5 for an initial value of x0 = 1.
3)the rate of inflation is 3%. the cost of an item in future years can be found by iterating the function c(x) = 1.03x. find the cost of a $1500 refigerator in three years if the rate of inflation remains consistant.
a. $1539.99
b. $1639.09
c. $1545.00
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Ответ:
An+1 = - 4 An + 2
For the 4th term, put n = 3
It is easier to find A2, then A3 and then A4
A2 = - 4 A1 + 2 = -4 * 2 +2 = -6
A3 = - 4 A2 + 2 = 24 + 2 = 26
A4 = - 4 * 26 + 2 = -102
3) cost after one year = 1.03 * $1500
cost after two years = 1.03 (1.03 * $1500)
cost after 3 years = 1.03 * [ 1.03 * (1.03 * $1500) ] = 1.03³ * $1500
= $ 1639.09
Ответ:
4555454651516
Step-by-step explanation:
I think it will be the answer