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3 years ago

What reclusive formula can be used to represent the sequence 2, 6, 10, 14, 18

Mathematics

1 answer:

kaheart [24]3 years ago

7 0

Answer:

a(n) = a(n-1) + 4

Step-by-step explanation:

a(1) = 2 The first term is 2

a(n) = a(n-1) + 4 We add 4 to the previous term or n-1

So, we get...

a(n) = a(n-1) + 4

a(1) = 2

a(2) = a(2-1) + 4 2(1) +4 = 6

a(3) = a(3-1) +4 3(2) + 4 = 10

and so on and so forth. I hope this helps.

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2 years ago

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3 years ago

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lutik1710 [3]

First Method:

Round $\frac{3}{5}$ to the closest integer, which is 1.

Round $\frac{3}{4}$ to the closest integer, which is also 1.

So 1 + 1 = 2.

Answer for method 1: 2

Second Method:

$\frac{3}{5}$ + $\frac{3}{4}$ = $\frac{3*4}{5*4} + \frac{3*5}{4*5} = \frac{12}{20}+\frac{15}{20}=\frac{27}{20}$

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