jessicagarcia85 jessicagarcia85

09-08-2018
Mathematics

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what is the 21st term of the sequence givin by xn=4n-3 is it A) 6 or B)72 or C)81 or D)87

what is the 21st term of the sequence givin by xn4n3 is it A 6 or B72 or C81 or D87 class=

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bawbdmo bawbdmo

09-08-2018

In this problem, the nth x is no different from saying x(n)=4n-3.

[tex] x_n=4n-3 \implies x_{21}=4(21-3)=84-3=81 [/tex]

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