Marie1969 Marie1969

25-09-2018
Mathematics

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Arithmetic sequence. Write a function rule to represent each sequence given below 1. 7 11 15 19

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tramserran tramserran

25-09-2018

[tex]a_{n}[/tex] = a + d(n - 1) ; where a is the first term (a = 7), d is the difference (d = 4), and n is the term

[tex]a_{n}[/tex] = 7 + 4(n - 1)

= 7 + 4n - 4

= 4n + 3

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