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astraxan [27]
2 years ago
10

30. 9, -27, 81, -243, ... Find the next number

Mathematics
1 answer:
agasfer [191]2 years ago
7 0

Answer:

729

Step-by-step explanation:

<u><em>Write the recursive formula through the pattern:</em></u>

<u><em /></u>a_{n+1}=-3a_{n}

<u><em>Find terms of sequence through 9, -27, 81, -243 :</em></u>

729

<em>I hope this helps you</em>

<em>:)</em>

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zaharov [31]
<h3>Answer: D)  -3</h3>

Explanation:

Recall that y = f(x) since both are outputs of a function.

If k = 2, then f(x) = 2 leads to y = 2 being a horizontal line drawn through 2 on the y axis. This horizontal line only crosses the cubic curve at one spot. The same can be said if k = 0 and k = -2. So we can rule out choices A,B,C.

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