4 years ago

Write an explicit formula for each recursive formula a(n)=a(n-1) 3.4;a(1)=7.3

1 answer:

3 0

A(n) = a(n - 1) + 3.4
a(1) = 7.3
d = 3.4

a(n) = a + (n - 1)d = 7.3 + (n - 1)3.4 = 7.3 + 3.4n - 3.4 = 3.9 + 3.4n

An = 3.9 + 3.4n

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