anonymous
  • anonymous
Write a recursive formula for the sequence 7, 4, 1, –2, –5, .... Then find the next term. (1 point) an = an–1 – 3, where a1 = –8; 7 an = an–1 – 3, where a1 = 7; –8 an = an–1 + 3, where a1 = –3; 22 an = an–1 + 3, where a1 = 7; –8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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amistre64
  • amistre64
whats the first term of the sequence?
anonymous
  • anonymous
@amistre64 7
amistre64
  • amistre64
then that narrows it down to two options right? what more can we gather from it?

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amistre64
  • amistre64
are the terms in the sequence getting bigger or smaller?
anonymous
  • anonymous
Smaller
amistre64
  • amistre64
then that should help us pinpoint a solution: we need it to start at 7 and have a next value smaller than -5
amistre64
  • amistre64
lol, you edited that -3 to a -8 didnt you
anonymous
  • anonymous
huh ?
amistre64
  • amistre64
im sure option B gave us 7;-3 when i first read it. but in any case we are still starting at 7, and getting progressively smaller each time ... meaning we are subtracting from the previous term
anonymous
  • anonymous
so 7 - 4 , 4 - 1 , etc ?
amistre64
  • amistre64
lets start at 7 7 the next terms is 7 - 3 right? 4 the next term is 4 - 3 right? 1 the next term is 1 - 3 right? -2 etc ....
anonymous
  • anonymous
So The Answer Is B
amistre64
  • amistre64
these old eyes of mine can be tricky, but it does appear the B matches the setup correctly
anonymous
  • anonymous
Aw Its Ok ! :) Thank You For Walking Me Through It !
amistre64
  • amistre64
good luck ;)

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