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If f(x)=2x3−2, f(x)=2x^3-2, what is the value of f(2)? f(2)?

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Full solution

Q. If f(x)=2x3−2, f(x)=2x^3-2, what is the value of f(2)? f(2)?
  1. Substitute xx with 22: Substitute xx with 22 in the function f(x)=2x3−2f(x) = 2x^3 - 2.\newlinef(2)=2(2)3−2f(2) = 2(2)^3 - 2
  2. Calculate 232^3: Calculate the value of 232^3.\newline23=82^3 = 8
  3. Multiply by 22: Multiply the result from Step 22 by 22. \newline2×8=162 \times 8 = 16
  4. Subtract 22: Subtract 22 from the result of Step 33 to find f(2)f(2). \newlinef(2)=16−2f(2) = 16 - 2
  5. Calculate final result: Calculate the final result. f(2)=14f(2) = 14

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