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11, 7, 3, -1,...

If 11 is defined as the first term in the sequence given above which of the following functions describes this sequence?

(Answer choices in photo)

11 7 3 1 If 11 is defined as the first term in the sequence given above which of the following functions describes this sequence Answer choices in photo class=

Respuesta :

The mathematical formula to solve this is :

f(n)= f1 + (n-1)d

We have:f(n)= 11 + (n-1)-4

f(n)= 11 -4n +4

f(n)=15 -4n

The right answer is D.

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