3 years ago

Find the 8th term of the geometric sequence 6,-12,24...

Mathematics

1 answer:

Sonbull [250]3 years ago

3 0

786 is the 8th term the geo sequence 6, 12, 24, 48

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Answer:

D/0

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2 years ago

Part A

Nat2105 [25]

Answer:

A. $f(n) =0.2n+4.8$

B. The y intercept is 4.8

Step-by-step explanation:

Given

$a_n= 5 + 0.2(n-1)$

Solving (a): Write as a function.

To do this, we simply substitute f(n) for $a_n$

$a_n= 5 + 0.2(n-1)$ becomes

$f(n)= 5 + 0.2(n-1)$

Open Bracket

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$f(n) =0.2n-0.2 + 5$

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B. The y intercept.

To get the y intercept, we set n to 0

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$f(0) =0+4.8$

$f(0) =4.8$

Hence, the y intercept is 4.8

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