Topic: Functions
Mathematics Quiz
Question: If \(f(x)=3x^2\), then \(f(2)=\) ?
Answer & Explanation
Correct: B — \(12\)
Steps: Substitute \(x=2\): \(f(2)=3(2)^2=3\times4=12\). Common mistakes are multiplying \(3\times2\) only (option A) or squaring incorrectly.
Steps: Substitute \(x=2\): \(f(2)=3(2)^2=3\times4=12\). Common mistakes are multiplying \(3\times2\) only (option A) or squaring incorrectly.
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