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Nataly [62]
2 years ago
14

Algebra 1 please help!

Mathematics
1 answer:
Leona [35]2 years ago
5 0

Answer:

a. geometric

b. a<em>n</em> =  2(2)^n-1 or a<em>n</em> = 2^n

c. a<em>n+1</em> <em>= </em>a<em>n</em> x 2

Step-by-step explanation:

The sequence, 2, 4, 8, 16, 32,...

a. The sequence is geometric because there is a common ratio in the numbers of the sequence. Each number is made by multiplying the common ratio and the previous number.

b. The explicit formula that can be used to find any term is a<em>n</em> =  2(2)^n-1 or a<em>n</em> = 2^n

Note: the variable n and number 1 is written in italics to show that it should be in subscript

a<em>n</em> = a<em>1 </em>(r)n-1

With the common ratio of n being 2 and first number being 2, we have:

a<em>n</em> =  2(2)^n-1

or

a<em>n</em> = 2^n

c. The recursive formula for the sequence is a<em>n+1</em> <em>= </em>a<em>n</em> x 2

a<em>n+1</em> = a<em>n </em>x r

Plugging in the values, we have

a<em>n+1</em> <em>= </em>a<em>n</em> x 2

Your welcome, and comment if you have any questions! If you could mark this answer as brainliest, I would appreciate it very much!

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