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Use the following function rule to find f(12)f(12).\newlinef(x)=3x2f(x) = 3x^2\newlinef(12)=f(12) = _____

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Q. Use the following function rule to find f(12)f(12).\newlinef(x)=3x2f(x) = 3x^2\newlinef(12)=f(12) = _____
  1. Substitute and Calculate: First, substitute 1212 for xx in the function f(x)=3x2f(x) = 3x^2.\newlineCalculation: f(12)=3×122f(12) = 3 \times 12^2\newlineMath check: 122=14412^2 = 144, so 3×144=4323 \times 144 = 432
  2. Check Calculation: Now, check if the calculation is correct by re-evaluating 12212^2 and multiplying by 33.\newlineRe-calculation: 122=14412^2 = 144, 3×144=4323 \times 144 = 432\newlineMath check: Correct calculation confirmed

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