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03-10-2018
Mathematics

contestada

What are the first four terms of the sequence shown below?

an = 5n ‒ 1
A.
‒1, 4, 9, 14
B.
4, 9, 14, 19
C.
5, 6, 7, 8
D.
6, 11, 16, 21

Respuesta :

07-10-2018

[tex]a_n=5n-1\\\\a_1=5(1)-1=5-1=4\\\\a_2=5(2)-1=10-1=9\\\\a_3=5(3)-1=15-1=14\\\\a_4=5(4)-1=20-1=19\\\\Answer:\ B.\ \{4,\ 9,\ 14,\ 19\}[/tex]

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