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serg [7]
2 years ago
13

Select the function that represents a geometric sequence.

Mathematics
2 answers:
jeka57 [31]2 years ago
6 0

Answer:

A.

A(n) = P(1 + i)^n-1, where n is a positive integer

Flauer [41]2 years ago
6 0

Answer:   A. A(n) = P(1 + i)n - 1, where n is a positive intege

Step-by-step explanation: I did the work and the test it is right.

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m_a_m_a [10]

Answer:

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Step-by-step explanation:

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Proof by mathematical induction
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Answer:

See below.

Step-by-step explanation:

I will assume that 3n is the last term.

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Sum ( k terms) =  7k^2 + 3k

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=  7k^2 + 3k + 14(k + 1) - 4

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Now 7(k + 1)^2 = 7k^2 +14 k + 7 so

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= 7(k + 1)^2 + 3(k + 1)

Which is the  formula for the Sum of k terms with the k replaced by k + 1.

Therefore we can say if the sum formula is true for k terms then it is also true for (k + 1) terms.

But the formula is true for 1 term because  7(1)^2 + 3(1) = 10 .

So it must also be true for all subsequent( 2,3 etc) terms.

This completes the proof.

5 0
3 years ago
In a class of 40 students 75% wore shorts today how many students wore shorts?​
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