Question

Pls help me it's urgent!

Answer 1

The formula that defines the sequence is f(n) = f(n-1) + 4

Recursive function

The recursive function rule is expressed as;

f(n) = f(n-1)  + d

where

d is the common difference

Given the following sequence

2, 6, 10, 14, 18..

Determine the common difference

d = 6-2 = 10-6

d = 4

Substitute to have

f(n) = f(n-1)  + d

f(n) = f(n-1) + 4

Hence the formula that defines the sequence is f(n) = f(n-1) + 4

Learn more on recursive formula here: brainly.com/question/1275192

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