sanic123 sanic123

01-02-2019
Mathematics

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Which function represents the sequence?

f(n)=n+3

f(n)=7n−4

f(n)=3n+7

f(n)=n+7

Which function represents the sequence fnn3 fn7n4 fn3n7 fnn7 class=

Respuesta :

a5904640 a5904640

01-02-2019

Let's have in mind:

f(n) = a1 + (n - 1).r

r = a2 - a1

r = 10 - 3

r = 7

So,

f(n) = a1 + (n - 1).7

f(n) = 3 + (n - 1).7

f(n) = 3 + 7n - 7

f(n) = 7n - 4

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