CarysRM2 CarysRM2

10-03-2021
Mathematics

contestada

A sequence is given by the rule 4n – 5
Will the number 25 be a term in the sequence?
Explain why or why not.

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alexachica67 alexachica67

10-03-2021

What you can do: (n)a=(n)(4+1/n)
Know divide away each n on respective side you get:
a=4+1/n
Know when n=0, 1/0 is not defined there’s that
n=1 , 4+1/1 = 5
n=2 , 4+1/2 = 4.5
n=3 , 4.33
n=4, 4.25

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