anonymous
  • anonymous
What are the explicit equation and domain for a geometric sequence with a first term of 4 and a second term of -8? (5 points) an = 4(-2)n - 1; all integers where n ≥ 0 an = 4(-2)n - 1; all integers where n ≥ 1 an = 4(-12)n - 1; all integers where n ≥ 1 an = 4(-12)n - 1; all integers where n ≥ 0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
PLEASE SOME ONE HELP
misty1212
  • misty1212
HI!!
anonymous
  • anonymous
hi!

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More answers

anonymous
  • anonymous
do you mind helping me with this
anonymous
  • anonymous
i believe that the answer is the third one but im not sure
misty1212
  • misty1212
\[a,ar,ar^2,ar^3...\] \[4,4\times r=-8\]
misty1212
  • misty1212
if \[4\times r=-8\] then \[r=\frac{-8}{4}=-2\]
anonymous
  • anonymous
okay
misty1212
  • misty1212
therefore \[a_n=4\times (-2)^{n-1}\]
anonymous
  • anonymous
so is it a or b???
misty1212
  • misty1212
it would be B
anonymous
  • anonymous
okay thank you
misty1212
  • misty1212
because \(n\geq 1\) is what they want as the domain
misty1212
  • misty1212
\[\color\magenta\heartsuit\]

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