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Evaluate 4-2f when f=1.

Evaluate \newline4−2f4-2f when \newlinef=1f=1.

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Full solution

Q. Evaluate \newline4−2f4-2f when \newlinef=1f=1.
  1. Substitute value into expression: Substitute the value of ff into the expression.\newlineWe are given f=1f = 1, so we substitute 11 for ff in the expression 4−2f4 - 2f.\newline4−2(1)=4−24 - 2(1) = 4 - 2
  2. Perform multiplication: Perform the multiplication.\newlineMultiply 22 by 11 to get 22.\newline4−2=24 - 2 = 2
  3. Perform subtraction: Perform the subtraction.\newlineSubtract 22 from 44 to get the final answer.\newline4−2=24 - 2 = 2

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