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Ne4ueva [31]
3 years ago
9

**************** :-)

Mathematics
2 answers:
Lorico [155]3 years ago
8 0

I think the answer is n-20- first choice.

Varvara68 [4.7K]3 years ago
4 0

ANSWER

n-20

EXPLANATION

The terms of the sequence are:

-19,-18,-17,-16,-15,...

The first term of the sequence is

a=-19 and the common difference is d=-18--19=1

The rule is given by:

f(n)=a+d(n-1)

f(n)=-19+1(n-1)

f(n)=-19+n-1

f(n)=n-20.

Therefore the rule for the given sequence is n-20.

The first option is correct.

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