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anonymous

  • 4 years ago

Consider the sequence 2, 6, 18, 54, . . . Let "n" = the term number in the sequence. Let A(n) = the value of the "n"th term of the sequence. Complete each statement: a. A(1) = 2 = 2 * 3^?

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  1. anonymous
    • 4 years ago
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  2. campbell_st
    • 4 years ago
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    the general equation is A(n) = 2*3^(n -1) n >=0

  3. anonymous
    • 4 years ago
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    The formula is Un=U1(r)^n-1 The part you're looking for is the n-1 as n is 1, the equation must be raised to 0.

  4. campbell_st
    • 4 years ago
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    so A(1) = 2*3^1 A(2) = 2*3^1 etc A(3) = 2*3^2

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