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Jimboslice
Group Title
The following function defines a recursive sequence.
f(0) = 5
f(1) = 20
f(n) = 4•f(n 1)  3•f(n  2); for n > 1
Which of the following sequences is defined by this recursive function?
5, 20, 65, 200, …
5, 20, 92, 372, …
5, 24, 92, 372, …
5, 20, 65, 200, …
 9 months ago
 9 months ago
Jimboslice Group Title
The following function defines a recursive sequence. f(0) = 5 f(1) = 20 f(n) = 4•f(n 1)  3•f(n  2); for n > 1 Which of the following sequences is defined by this recursive function? 5, 20, 65, 200, … 5, 20, 92, 372, … 5, 24, 92, 372, … 5, 20, 65, 200, …
 9 months ago
 9 months ago

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amistre64 Group TitleBest ResponseYou've already chosen the best response.1
what is the first term?
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
f(0) = 5 ?
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
yes, so they give you the first one what is the second term?
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
we can narrow the options by eliminating the ones that have the wrong first and second terms, then the third term gets us to only one option that fits
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
we can use the rule given to determine f(2) f(n) = 4•f(n 1)  3•f(n  2) f(2) = 4•f(2 1)  3•f(2  2) f(2) = 4•f(1)  3•f(0) ^^ ^^ we already know these values to plug into the rule
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
ok so what now ?
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
that IS the "what now" you work it out
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
or you ask questions about what it is you dont understand
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
oh ok hold on
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
i dont get what im suppose to work out ....
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
f(n) = 4•f(n 1)  3•f(n  2) f(2) = 4•f(2 1)  3•f(2  2) f(2) = 4•f(1)  3•f(0) ^^ ^^ we already know these values to plug into the rule
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
f(0) = 5 f(1) = 20
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
wherever you see f(0), replace it by 5 wherever you see f(1), replace it by 20
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
what if i see f(2)
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
f(2) is what we are calculating ... f(2) will equal ______________
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
f(2) = 4•f(1)  3•f(0) =65 correct?
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
very good :)
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
so what we are looking for is a sequence that starts out: f(0), f(1), f(2) 5, 20, 65 only one of the options starts out like this
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
the last one ..
 9 months ago

Jimboslice Group TitleBest ResponseYou've already chosen the best response.0
thank you very much for explaining
 9 months ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
good luck :)
 9 months ago
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