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Use the following function rule to find f(4) f(4) .\newlinef(x)=9−x f(x) = 9 - x \newlinef(4)= f(4) =

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Full solution

Q. Use the following function rule to find f(4) f(4) .\newlinef(x)=9−x f(x) = 9 - x \newlinef(4)= f(4) =
  1. Plug in 44: Plug in 44 for xx in the function f(x)=9−xf(x) = 9 - x.\newlinef(4)=9−4f(4) = 9 - 4
  2. Subtraction: Now, do the subtraction.\newlinef(4)=5f(4) = 5

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