f(x) = 4\left(\left(x + \frac32\right)^2 - \frac94\right) + 9 = 4\left(x + \frac32\right)^2 - 9 + 9 = 4\left(x + \frac32\right)^2 - AMAZONAWS 📅 March 6, 2026 👤 scraface Mar 06, 2026