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anonymous
 one year ago
precalc help please, giving medals and becoming fan!!!
1.) Find the first six terms of the sequence.
a1 = 8, an = 5 • an1
8, 40, 200, 1000, 5000, 25,000
8, 40, 35, 30, 25, 20
0, 5, 40, 35, 30, 25
40, 200, 1000, 5000, 25,000, 125,000
2.)Find an equation for the nth term of the arithmetic sequence.
3, 5, 7, 9, ...
an = 3  2
an = 3 + 2(n)
an = 3 + 2(n + 1)
an = 3 + 2(n  1)
anonymous
 one year ago
precalc help please, giving medals and becoming fan!!! 1.) Find the first six terms of the sequence. a1 = 8, an = 5 • an1 8, 40, 200, 1000, 5000, 25,000 8, 40, 35, 30, 25, 20 0, 5, 40, 35, 30, 25 40, 200, 1000, 5000, 25,000, 125,000 2.)Find an equation for the nth term of the arithmetic sequence. 3, 5, 7, 9, ... an = 3  2 an = 3 + 2(n) an = 3 + 2(n + 1) an = 3 + 2(n  1)

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perl
 one year ago
Best ResponseYou've already chosen the best response.0For the first one let's get you started. $$ \Large {a_1=8 \\ a_2 = 5\cdot a_1= 5 \cdot (\text{}8) }$$

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1similarly, to get a3, plug in n=3 in \(\Large a_n = 5 a_{n1} \\ \Large a_3 = 5a_2 = ... ?\) and so on..

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1yu are still stuck?

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1for the second one 3, 5, 7, 9.... do you see that we are adding 2 each step

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.12 i meant*

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1so a1=3 a2=32=5 a3=322=7 a4=3222=9 . . . . an=3222222............2 (2 (n1) times)=32(n1)

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1correction an=32(n1)
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