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The second term of a sequence is 12 and the common ratio is 2. Which equation gives the nth term of the sequence?

The second term of a sequence is 12 and the common ratio is 2 Which equation gives the nth term of the sequence class=

Respuesta :

unicorn3125

Answer:

        The last:  [tex]\bold{f(x) = 6(2)^{x-1}}[/tex]

Step-by-step explanation:

Its a geometric sequence: aₙ = a₁ rⁿ⁻¹

f(x) = aₙ

a₁ = a₂÷r = 12÷2 = 6

r = 2

x = n

Therefore:

               [tex]f(x) = 6(2)^{x-1}[/tex]

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