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Which of the following fits with the recursive rule for the dots above?

Group of answer choices

A) f (x) = f ( x - 1 ) x 4 ; f (1) = 4

B) f (t) = 4t + 1

C) f (x) = f ( x - 1 ) + 4 ; f (1) = 4

D) f (x) = 1 x 4(2)

Which of the following fits with the recursive rule for the dots above Group of answer choices A f x f x 1 x 4 f 1 4 B f t 4t 1 C f x f x 1 4 f 1 4 D f x 1 x 42 class=

Respuesta :

Answer:

A

Step-by-step explanation:

The recursive rule lets us find a term in the sequence from the previous term.

The sequence of dots is

4 , 16, 64

Thus multiplying the previous term by 4 gives the required term, thus

f(x) = f(x - 1) × 4 : f(1) = 4

so

f(2) = f(1) × 4 = 4 × 4 = 16 ← true

f(3) = f(2) × 4 = 16 × 4 = 64 ← true

A is the correct choice

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