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Mademuasel [1]
3 years ago
15

A sequence is defined by the recursive function f(n 1) = f(n) – 2.if f(1) = 10, what is f(3)?16830

Mathematics
2 answers:
iogann1982 [59]3 years ago
5 0
Hello,

f(n+1)=f(n)-2
f(1)=10
f(2)=8
f(3)=6
...
artcher [175]3 years ago
3 0

Answer: f(3) =6

Step-by-step explanation:

Given: A sequence is defined by the recursive function

f(n+1)=f(n)-2

f(1)= 10

Then f(2) can be written as

f(2)=f(1+1)\\\\\Rightarrow f(2)=f(1)-2\\\\\Rightarrow f(2)=10-2\\\\\Rightarrow f(2)=8

Similarly, f(3) can be written as

f(3)=f(2+1)\\\\\Rightarrow f(3)=f(2)-2\\\\\Rightarrow f(3)=8-2\\\\\Rightarrow f(3)=6

Therefore, the value of f(3) =6.

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