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22-05-2018
Mathematics

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What is the explicit rule that can be used to find the number of homes sold in the nth month of the year? (@musiclover pleasee help)

What is the explicit rule that can be used to find the number of homes sold in the nth month of the year musiclover pleasee help class=

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mkryukova19 mkryukova19

22-05-2018

8,12,16
Each following number is 4 more than previous, so it is arithmetic sequence.
a(1)=8,
d=4
a(n)=a(1)+d(n-1)
a(n)=8+4(n-1)=8+4n-4=4+4n
a(n)=4n +4
Correct answer is A.

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