BloodyThorn122 BloodyThorn122
  • 14-07-2020
  • Mathematics
contestada

what is g(k+1)=x^2-4x

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Space
Space Space
  • 14-07-2020

Answer:

g(k + 1) = k² - 2k - 3

Step-by-step explanation:

Step 1: Plug in (k + 1) in for x

g(k + 1) = (k + 1)² - 4(k + 1)

Step 2: FOIL

g(k + 1) = k² + 2k + 1 - 4(k + 1)

Step 3: Distribute

g(k + 1) = k² + 2k + 1 - 4k - 4

Step 4: Combine like terms

g(k + 1) = k² - 2k - 3

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