A sequence is defined recursively by f (0) = 2 and f (n) = f (n+1) = - 2f (n) + 3 for n greater than or equal to 0, then f (2) is equal to

Question

Mathematics

Isaiah Finley

11 June, 14:34

A sequence is defined recursively by f (0) = 2 and f (n) = f (n+1) = - 2f (n) + 3 for n greater than or equal to 0, then f (2) is equal to

+3

Answers (1)

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Laila Guzman · Answer 1

If you would like to know what is f (2), you can calculate this using the following steps:

f (0) = 2

f (n+1) = - 2 * f (n) + 3

f (1) = - 2 * f (0) + 3 = - 2 * 2 + 3 = - 4 + 3 = - 1

f (2) = - 2 * f (1) + 3 = - 2 * (-1) + 3 = 2 + 3 = 5

The correct result would be f (2) = 5.