Question
If \( g(x)=2 x^{2}+4 x \), find \( g(-3) \). -18 6 -6 -30 0
Ask by Lindsey Ross. in the United States
Mar 14,2025
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Tutor-Verified Answer
Answer
\( g(-3) = 6 \)
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To find \( g(-3) \), you need to substitute \(-3\) for \( x \) in the equation \( g(x) = 2x^{2} + 4x \). First, calculate \( g(-3) \): \[ g(-3) = 2(-3)^{2} + 4(-3) \] Calculating \((-3)^{2}\): \[ (-3)^{2} = 9 \] Now plug this value into the equation: \[ g(-3) = 2(9) + 4(-3) \] \[ g(-3) = 18 - 12 \] \[ g(-3) = 6 \] So, the correct answer is **6**.
