If f 1 160 and f n 1 �2f n what is f 4
Web19 nov. 2024 · F(1) = 160 is given to us. We'll use it to find f(2) f(n+1) = -2*f(n) f(1+1) = -2*f(1) ... replace every n with 1 f(1+1) = -2*160 ... replace f(1) with 160 f(2) = -320 Now … Web31 mei 2015 · 2 Answers Sorted by: 7 If applying your original formula for n-1 F (n -1) = F (n-2) - F (n -3) Than if I replace F (n-1) in the original F (n) expression F (n) = F (n-2) - F (n -3) - F (n-2) = -F (n - 3) F (n) = - F (n-3) Since the later also is valid if I replace n with n-3 F (n - 3) = - F (n -6) Combining the last two
If f 1 160 and f n 1 �2f n what is f 4
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Web8 sep. 2024 · Answer with Step-by-step explanation: f (1) = 160 and f (n + 1) = –2f (n) ⇒ f (2)= -2×f (1) = -2×160. = -320. ⇒ f (3)= -2×f (2) = -2× (-320) = 640. ⇒ f (4)= -2×f (3) Web13 sep. 2015 · F4 can be rewritten to: f (4) = f (3+1) = -2f (3) [Using f (n+1) = -2f (n)] Keep using f (n+1): -2f (3) = -2f (2+1) = -2 [-2f (2)] = 4f (2) Again: 4f (2) = 4f (1+1) = 4 [-2f (1)] = …
Web30 mei 2015 · Note that F(n) = F(n - 1) - F(n - 2) is the same as F(n) - F(n - 1) + F(n - 2) = 0 which makes it a linear difference equation. Such equations have fundamental solutions … Web29 apr. 2024 · f(2) = -2 * 160 f(2) = -320 Step Two The easiest way is just to keep on going. This is recursive which means you use the last answer to get the next one. f(3) = …
Web11 nov. 2016 · 1 I have a function that is defined in this way: F (n) = n if n<=3 F (n) = F (n-1) + 2 * F (n-2) + 3 * F (n-3) if n>3 Now, I've written it as a recursive function and it works fine. I'm trying to write it as an iterative function but i cant seem to make it happen. The output should be, for example: Web21 jan. 2024 · posted on January 21, 2024 THIS USER ASKED 👇 If f (1) = 160 and f (n + 1) = –2f (n), what is f (4)? THIS IS THE BEST ANSWER 👇 Hello, f (1) = 160 f (2) = 160 * (- 2) f …
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Web$\begingroup$ @TomZych I don't think you can expect people to guess that the rule is "If it's gnasher, I'll use their name so if I just say 'you' it means Mat" rather than "If it's Mat, I'll use their name so if I just say 'you' it means gnasher." But, anyway, once you've pointed out that somebody has misread something, there's no need to tell them to read it again. sewer maintenance shaftWeb7 mrt. 2024 · Explanation: As f (1) = 160 and f (n +1) = – 2f (n) f (2) = − 2f (1) = − 2 × 160 = −320. f (3) = − 2f (2) = − 2 × ( −320) = 640. f (4) = − 2f (3) = − 2 × 640 = −1280. Answer link. the troggs 66 5 4 3 2 1Web7 jul. 2024 · Step-by-step explanation: There are 2 ways you could do this. You could just do the question until you come to the end of f (4). That is likely the simplest way to do it. f (1) = 160 f (2) = - 2 * f (1) f (2) = -2*160 f (2) = -320 f (3) = -2 * f (2) f (3) = -2 * - 320 f (3) = 640 f (4) = - 2 * f (3) f (4) = - 2 * 640 f (4) = - 1280 the trof manchesterWeb7 sep. 2024 · If f (1) = 160 and f (n + 1) = –2f (n), what is f (4)? See answer Advertisement wonderlust2004 Answer: -1280 Step-by-step explanation: Put n=1 f (2)=-2f (1) f (2)=-2*160=-320 Put n=2 we get f (3)=-2f (2)=-2* (-320)=640 Now put n=3 we get f (4)=-2f (3)=-2*640=-1280 So Hence f (4)=-1280 thetroggs argument youtubeWeb10 mrt. 2024 · If f(1) = 160 and f(n + 1) = -2f(n), what is f(4)? Answers: 1 Show answers Another question on Mathematics. Mathematics, 21.06.2024 16:50. Which statements … the troggs cousin janeWebIf f(1) = 160 and f(n + 1) = -2f(n), what is f(4)?-1,280. Which is a recursive formula for the sequence 99.4, 0, -99.4, -198.8, where f(1) = 99.4? f(n + 1) = f(n) - 99.4, n ≥ 1. What is … sewer maintenance worker job descriptionWebWrite down the first few terms of the series: F (1) = 1 F (2) = 5 F (3) = 5+2*1 = 7 F (4) = 7+2*5 = 17 F (5) = 17+2*7 = 31 Guess that the general pattern is: F (n) = (−1)n +2n … sewer maintenance worker salary