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A sequence is defined by the recursive formula f (n + 1) = f(n) – 2. If f(1) = 18, what is f(5)?
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Mar 23, 2018
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A sequence is defined by the recursive formula f (n + 1) = f(n) – 2. If f(1) = 18, what is f(5)?
Mathematics
high-school
Daemon Beast
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hello :
this is the arithmetic -
sequence when the common diference is : d = -2
the general term is : f(n) =f(1) +(n-1)d .. d= -2 and f(1) =18
let : n= 5
f(5) = f(1) +(5-1)(-2)
f(5) = 18 -8 = 10
BamaPookie
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Mar 24, 2018
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we have
with
so
Hence
Chuck Heatherly
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Mar 29, 2018
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Chuck Heatherly
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