Ask Question
13 November, 16:29

A sequence is defined by the recursive formula f (n + 1) = f (n) - 2. If f (1) = 18, what is f (5) ?

+2
Answers (1)
  1. 13 November, 19:02
    0
    Sub n=1

    f (1+1) = f (1) - 2 = 18

    f (1) = 20

    f (2) - f (1) = - 2, d=-2

    f (5) = 20+d * (n-1) = 20 + (-2) * (5-1) = 20-8 = 12
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A sequence is defined by the recursive formula f (n + 1) = f (n) - 2. If f (1) = 18, what is f (5) ? ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers