anonymous
  • anonymous
The first four terms of a sequence are shown below: 7, 4, 1, -2 Which of the following functions best defines this sequence? f(1) = 7, f(n + 1) = f(n) + 3; for n ≥ 1 f(1) = 7, f(n + 1) = f(n) - 3; for n ≥ 1 f(1) = 7, f(n + 1) = f(n) - 4; for n ≥ 1 f(1) = 7, f(n + 1) = f(n) + 4; for n ≥ 1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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zepdrix
  • zepdrix
Hey Misty :) Are you able to determine the `common difference`? How much is each term changing by as we go along from one to the next?
anonymous
  • anonymous
Hey :P Would it be 4?
inkyvoyd
  • inkyvoyd
<3

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anonymous
  • anonymous
...
zepdrix
  • zepdrix
From 7 to 4, hmm that's not a change of 4, doesn't sound quite right :)
anonymous
  • anonymous
I meat 3 xD
zepdrix
  • zepdrix
mmm meat <3
anonymous
  • anonymous
MEANT
anonymous
  • anonymous
wow i fail at life
zepdrix
  • zepdrix
Ok great :) and it's a `decrease` of 3, ya?
zepdrix
  • zepdrix
So we've determined that: \(\large\rm \text{next term}=\text{previous term}-3\) Do any of your options look like that?
anonymous
  • anonymous
2nd one i believe
zepdrix
  • zepdrix
f(n+1) is next term, f(n) is the term before that, so ya, looks like it! Yay good job \c:/
anonymous
  • anonymous
Thx ^.~

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