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If \( f(x)=2 x^{2}+1 \), what is \( f(x) \) when \( x=3 \) ? 1 7 13 19

Ask by Gray Mathis. in the United States
Feb 07,2025

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f(3) = 19

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Bonus Knowledge

To find \( f(3) \), we substitute \( x \) with \( 3 \) in the function \( f(x) = 2x^2 + 1 \). Calculating it step-by-step: 1. First, calculate \( 3^2 \), which is \( 9 \). 2. Now, multiply \( 9 \) by \( 2 \) to get \( 18 \). 3. Finally, add \( 1 \) to \( 18 \) to give you \( 19 \). So, \( f(3) = 19 \). The answer is \( 19 \).

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